ChemicalBook
Chinese English Germany Korean
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Benzene, 1,4-diethynyl-2,5-bis(hexyloxy)-1,4-ジエチニル-2,5-ジ(ヘキシルオキシ)ベンゼン128424-37-3
Benzene-1,4-diboronic acid mono-MIDA esterBenzene-1,4-diboronic acid mono-MIDA ester1104665-01-1
1,3-Benzenedimethanethiol, 5-bromo-1,3-Benzenedimethanethiol, 5-bromo-156597-85-2
2,2',2''-(1,3,5-benzenetriyl)tris[3-methylpyridine]2,2',2''-(1,3,5-benzenetriyl)tris[3-methylpyridine]252358-83-1
Benzene, 1,4-bis(bromomethyl)-2,5-dimethoxy-Benzene, 1,4-bis(bromomethyl)-2,5-dimethoxy-50874-27-6
Benzene, 1,4-diethynyl-2,5-bis(octyloxy)-1,4-ジエチニル-2,5-ジ(オクチルオキシ)ベンゼン153033-27-3
Benzeneacetic acid,5-chloro-2-hydroxy-Benzeneacetic acid,5-chloro-2-hydroxy-24161-38-4
1,4-Benzenedicarboxylic acid, 2-ethenyl-1,4-Benzenedicarboxylic acid, 2-ethenyl-216431-29-7
Benzenemethanol, a-ethyl-3-methoxy-1-(3-メトキシフェニル)-1-プロパノール52956-27-1
Benzeneacetic acid, 2-amino-6-[2-(dipropylamino)ethyl]-ロピニロールアミノ酢酸920755-10-8
Benzene, 1-bromo-3-(2-bromoethenyl)Benzene, 1-bromo-3-(2-bromoethenyl)115665-72-0
Benzeneacetonitrile, .alpha.-hydroxy-4-(trifluoromethyl)-Benzeneacetonitrile, .alpha.-hydroxy-4-(trifluoromethyl)-168013-75-0
Benzeneacetic acid,2-carboxy-, ethyl esterBenzeneacetic acid,2-carboxy-, ethyl ester22479-46-5
Benzenemethanol, 3-methoxy-2-methyl-4-nitro- (9CI)Benzenemethanol, 3-methoxy-2-methyl-4-nitro- (9CI)620604-55-9
Benzeneacetic acid, alpha-amino-3,5-dihydroxy-4-methoxy-, (alphaS)- (9CI)Benzeneacetic acid, alpha-amino-3,5-dihydroxy-4-methoxy-, (alphaS)- (9CI)212758-02-6
Benzeneacetonitrile, 3-fluoro-alpha-hydroxy-, (R)- (9CI)Benzeneacetonitrile, 3-fluoro-alpha-hydroxy-, (R)- (9CI)137993-38-5
Benzenemethanol, -alpha-,2,4-trimethyl-, (-alpha-R)- (9CI)Benzenemethanol, -alpha-,2,4-trimethyl-, (-alpha-R)- (9CI)166940-44-9
Benzenamine, 2,3,5-trifluoro-4-methyl- (9CI)Benzenamine, 2,3,5-trifluoro-4-methyl- (9CI)119915-59-2
Benzenamine, 2-fluoro-N-(methoxymethyl)- (9CI)Benzenamine, 2-fluoro-N-(methoxymethyl)- (9CI)129367-42-6
Benzene:Toluene (90:10)Benzene:Toluene (90:10)
Benzene in airBenzene in air
BENZENESULFONYL CYANIDEフェニルスルホニルカルボニトリル24224-99-5
4-[[benzenesulfonyl-(4-methoxyphenyl)amino]methyl]-N-[(2-methoxyphenyl)methyl]benzamide4-[[benzenesulfonyl-(4-methoxyphenyl)amino]methyl]-N-[(2-methoxyphenyl)methyl]benzamide5861-83-6
Benzenamine, 2,4,5-trifluoro-N-methyl- (9CI)Benzenamine, 2,4,5-trifluoro-N-methyl- (9CI)256412-92-7
Benzenesulfonic acid, 3-amino-2-hydroxy-5-nitro-, diazotized, coupled with Et (7-hydroxy-1-naphthalenyl)carbamateBenzenesulfonic acid, 3-amino-2-hydroxy-5-nitro-, diazotized, coupled with Et (7-hydroxy-1-naphthalenyl)carbamate98171-51-8
Benzene, 2,4-dichloro-1,3,5-trinitro-, copper-coupledBenzene, 2,4-dichloro-1,3,5-trinitro-, copper-coupled90171-11-2
Benzenesulfonamide, 4-(hydroxyamino)- (9CI)Benzenesulfonamide, 4-(hydroxyamino)- (9CI)877-67-8
Benzenesulfonyl butyl amideBenzenesulfonyl butyl amide
Benzenesulfonyl semicarbazideBenzenesulfonyl semicarbazide10195-68-3
Benzenemethanol, 4-nitro-alpha-(trifluoromethyl)- (9CI)Benzenemethanol, 4-nitro-alpha-(trifluoromethyl)- (9CI)241127-76-4
Benzenamine, N-methyl-4-propoxy- (9CI)Benzenamine, N-methyl-4-propoxy- (9CI)485795-30-0
Benzene, 1-ethyl-2-isocyano- (9CI)Benzene, 1-ethyl-2-isocyano- (9CI)63212-32-8
Benzeneacetaldehyde, 2,6-diethoxy- (9CI)Benzeneacetaldehyde, 2,6-diethoxy- (9CI)203912-41-8
Benzeneethanehydrazonoyl chloride, 4-chloro-alpha-oxo- (9CI)Benzeneethanehydrazonoyl chloride, 4-chloro-alpha-oxo- (9CI)277298-60-9
Benzenesulfonamide, 1,2,4-oxadiazol-3-yl- (7CI)Benzenesulfonamide, 1,2,4-oxadiazol-3-yl- (7CI)856777-79-2
Benzenesulfonic acid, 2,4-diamino-3,5-bis4-2-(sulfooxy)ethylsulfonylphenylazo-, sodium salt2,4-ジアミノ-3,5-ビス[[4-[[2-(スルホオキシ)エチル]スルホニル]フェニル]アゾ]ベンゼンスルホン酸ナトリウム182926-41-6
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 1,6-hexanediol1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 1,6-hexanediol70425-47-7
BENZENESULPHONICACIDSEC-BUTYLESTERBENZENESULPHONICACIDSEC-BUTYLESTER
1,3-Benzenedicarboxylic acid, polymer with decanedioic acid, dimethyl 1,4-benzenedicarboxylate, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 2,2-oxybisethanol1,3-Benzenedicarboxylic acid, polymer with decanedioic acid, dimethyl 1,4-benzenedicarboxylate, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 2,2-oxybisethanol127155-15-1
Benzene, ethenyl-, polymer with 1,3-butadiene, trans-butenedioic acid and 1-vinyl-2-pyrrolidinoneBenzene, ethenyl-, polymer with 1,3-butadiene, trans-butenedioic acid and 1-vinyl-2-pyrrolidinone64683-36-9
1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol9003-68-3
Benzenamine, 3-ethyl-5-(1-methyl-1H-tetrazol-5-yl)- (9CI)Benzenamine, 3-ethyl-5-(1-methyl-1H-tetrazol-5-yl)- (9CI)675122-48-2
Benzeneethanimidic acid, 3-methoxy-4-methyl-, ethyl ester (9CI)Benzeneethanimidic acid, 3-methoxy-4-methyl-, ethyl ester (9CI)794490-09-8
Benzenecarboximidamide, 4-(3-aminopropoxy)- (9CI)Benzenecarboximidamide, 4-(3-aminopropoxy)- (9CI)717096-13-4
Benzeneacetic acid, -alpha--methyl-4-(3-methyl-2-butenyl)-, sodium salt (9CI)Benzeneacetic acid, -alpha--methyl-4-(3-methyl-2-butenyl)-, sodium salt (9CI)73318-90-8
Benzenamine, N,N-dimethyl-3-[(1S)-1-methylpropoxy]- (9CI)Benzenamine, N,N-dimethyl-3-[(1S)-1-methylpropoxy]- (9CI)757939-31-4
BENZ(E)INDOLEBENZ(E)INDOLE
BENZENESULPHONICACID,3,3'-SULPHONYLDIHYDRAZIDEBENZENESULPHONICACID,3,3'-SULPHONYLDIHYDRAZIDE
Benzenesulfonic acid, 2-[(4-aminophenyl)amino]-5-nitro-, diazotized, coupled with diazotized 4-aminobenzenesulfonic acid, diazotized 4-nitrobenzenamine and Dyer's mulberry extractBenzenesulfonic acid, 2-[(4-aminophenyl)amino]-5-nitro-, diazotized, coupled with diazotized 4-aminobenzenesulfonic acid, diazotized 4-nitrobenzenamine and Dyer's mulberry extract94645-51-9
Benzene, 1,3-diisocyanatomethyl-, homopolymer, polypropylene glycol mono-Bu ether- and 2-pyridineethanol-blockedBenzene, 1,3-diisocyanatomethyl-, homopolymer, polypropylene glycol mono-Bu ether- and 2-pyridineethanol-blocked157420-46-7
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, hexanedioic acid and oxiranylmethyl 2-methyl-2-propenoate1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, hexanedioic acid and oxiranylmethyl 2-methyl-2-propenoate155645-97-9
Benzenemethanesulfonic acid, ar-hydroxy-, monosodium salt, polymer with formaldehyde and ureaBenzenemethanesulfonic acid, ar-hydroxy-, monosodium salt, polymer with formaldehyde and urea111773-55-8
BENZENESULFONYLACETIC ACIDBENZENESULFONYLACETIC ACID
Benzenesulfonic acid, 2,2-(1,2-ethenediyl)bis5-4-3-(acetylamino)-4-(3-sulfophenyl)azophenylamino-6-(4-morpholinyl)-1,3,5-triazin-2-ylamino-, sodium saltBenzenesulfonic acid, 2,2-(1,2-ethenediyl)bis5-4-3-(acetylamino)-4-(3-sulfophenyl)azophenylamino-6-(4-morpholinyl)-1,3,5-triazin-2-ylamino-, sodium salt156738-26-0
Benzenesulfonic acid, 2(or 5)-hydroxy-5(or 2)-1-(4-hydroxyphenyl)-1-methylethyl-, monosodium salt, polymer with formaldehydeBenzenesulfonic acid, 2(or 5)-hydroxy-5(or 2)-1-(4-hydroxyphenyl)-1-methylethyl-, monosodium salt, polymer with formaldehyde68856-41-7
1,3-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, ethenylbenzene, 2,5-furandione and 2,2-oxybisethanol1,3-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, ethenylbenzene, 2,5-furandione and 2,2-oxybisethanol103369-22-8
1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 1,3-isobenzofurandione1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 1,3-isobenzofurandione72259-84-8
Benzenamine, N-phenyl-, reaction products with isobutylene and 2,4,4-trimethylpenteneBenzenamine, N-phenyl-, reaction products with isobutylene and 2,4,4-trimethylpentene184378-08-3
1,4-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedicarboxylic acid and 2,2-dimethyl-1,3-propanediol1,4-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedicarboxylic acid and 2,2-dimethyl-1,3-propanediol33809-21-1
Benzenesulfonic acid, C14-24-branched and linear alkyl derivs., barium salts, overbasedBenzenesulfonic acid, C14-24-branched and linear alkyl derivs., barium salts, overbased120968-17-4
Benzenemethanol, 4-chloro-.alpha.-hexyl-Benzenemethanol, 4-chloro-.alpha.-hexyl-1138-02-9
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol and oxiranylmethyl 2-methyl-2-propenoate1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol and oxiranylmethyl 2-methyl-2-propenoate146583-51-9
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 1,6-hexanediol1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 1,6-hexanediol40471-06-5
1,4-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol and 1,2-ethanediol1,4-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol and 1,2-ethanediol26780-49-4
Benzenesulfonic acid, mono-C16-24-alkyl derivs., calcium salts, overbasedBenzenesulfonic acid, mono-C16-24-alkyl derivs., calcium salts, overbased70024-71-4
Benzenamine, 3-(3aS,4S,6R,6aR)-6-(1,1-dimethylethyl)dimethylsilyloxymethyltetrahydro-2,2-dimethyl-4H-1,3-dioxolo4,5-cpyrrol-4-yl-N,N-di-2-propenyl-Benzenamine, 3-(3aS,4S,6R,6aR)-6-(1,1-dimethylethyl)dimethylsilyloxymethyltetrahydro-2,2-dimethyl-4H-1,3-dioxolo4,5-cpyrrol-4-yl-N,N-di-2-propenyl-188744-84-5
1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione and 1,2-propanediol1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione and 1,2-propanediol26301-26-8
1,2-Benzenedicarboxylic acid, polymer with 2,2-1,2-ethanediylbis(oxy)bisethanol, benzoate1,2-Benzenedicarboxylic acid, polymer with 2,2-1,2-ethanediylbis(oxy)bisethanol, benzoate68389-55-9
1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, hexanedioic acid and 1,6-hexanediol1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, hexanedioic acid and 1,6-hexanediol68492-72-8
1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 1,3-isobenzofurandione1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 1,3-isobenzofurandione84943-76-0
3-Benzenesulfonylquinolin-8-ylamine3-ベンゼンスルホニルキノリン-8-イルアミン607743-08-8
1,3-Benzenedicarboxylic acid, polymer with dimethyl 1,4-benzenedicarboxylate, 2,2-dimethyl-1,3-propanediol and 1,6-hexanediol1,3-Benzenedicarboxylic acid, polymer with dimethyl 1,4-benzenedicarboxylate, 2,2-dimethyl-1,3-propanediol and 1,6-hexanediol116954-27-9
Benzenesulfonamide, 4-methyl-N-(methylsulfonyl)-4-メチル-N-(メチルスルホニル)ベンゼンスルホンアミド14653-91-9
1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol and rel-(3aR,7aS)-hexahydro-1,3-isobenzofurandione1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol and rel-(3aR,7aS)-hexahydro-1,3-isobenzofurandione126191-58-0
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid and 1,4-butanediol1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid and 1,4-butanediol30580-17-7
1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol36087-94-2
1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol26811-89-2
Benzene, 2,4-diisocyanato-1-methyl-, polymer with 1,6-diisocyanatohexaneBenzene, 2,4-diisocyanato-1-methyl-, polymer with 1,6-diisocyanatohexane26426-91-5
Benzenesulfonic acid, 2,2-(1-methyl-1,2-ethanediyl)bisimino(6-fluoro-1,3,5-triazine-4,2-diyl)imino2-(aminocarbonyl)amino-4,1-phenyleneazobis5-(4-sulfophenyl)azo-, sodium saltBenzenesulfonic acid, 2,2-(1-methyl-1,2-ethanediyl)bisimino(6-fluoro-1,3,5-triazine-4,2-diyl)imino2-(aminocarbonyl)amino-4,1-phenyleneazobis5-(4-sulfophenyl)azo-, sodium salt149850-31-7
Benzenesulfonic acid, 2,2-(1,2-ethenediyl)bis5-(4-hydroxyphenyl)azo-, lithium sodium saltBenzenesulfonic acid, 2,2-(1,2-ethenediyl)bis5-(4-hydroxyphenyl)azo-, lithium sodium salt110152-63-1
1,3-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedicarboxylic acid, 2,2-dimethyl-1,3-propanediol and 1,6-hexanediol1,3-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedicarboxylic acid, 2,2-dimethyl-1,3-propanediol and 1,6-hexanediol167360-08-9
Benzenesulfonic acid, dodecyl-, compd. with N-methylcyclohexanamine (1:1)Benzenesulfonic acid, dodecyl-, compd. with N-methylcyclohexanamine (1:1)82181-51-9
Benzene, mono-C10-13-alkyl derivs., fractionation bottoms, heavy ends, sulfonated, sodium saltsBenzene, mono-C10-13-alkyl derivs., fractionation bottoms, heavy ends, sulfonated, sodium salts148520-82-5
1,3-Benzenedimethanamine, polymer with (butoxymethyl)oxirane and (chloromethyl)oxirane1,3-Benzenedimethanamine, polymer with (butoxymethyl)oxirane and (chloromethyl)oxirane124933-79-5
Benzenesulfonamide, 2-methyl-, reaction products with bisphenol A-epichlorohydrin polymer and 4-methylbenzenesulfonamideBenzenesulfonamide, 2-methyl-, reaction products with bisphenol A-epichlorohydrin polymer and 4-methylbenzenesulfonamide130353-62-7
Benzenesulfonic acid, hydroxy-, polymer with formaldehyde, 4,4-sulfonylbisphenol and urea, ammonium saltBenzenesulfonic acid, hydroxy-, polymer with formaldehyde, 4,4-sulfonylbisphenol and urea, ammonium salt168456-94-8
Benzenediazonium, 2,5-dibutoxy-4-(4-morpholinyl)-, salt with 4-methylbenzenesulfonic acid (1:1)Benzenediazonium, 2,5-dibutoxy-4-(4-morpholinyl)-, salt with 4-methylbenzenesulfonic acid (1:1)93672-52-7
Benzene, 1,3-diisocyanatomethyl-, homopolymerBenzene, 1,3-diisocyanatomethyl-, homopolymer9017-01-0
BENZENE-1,4-DIAMINE, TECHBENZENE-1,4-DIAMINE, TECH
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,6-hexanediamine and hexanedioic acid1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,6-hexanediamine and hexanedioic acid27135-32-6
1,3-Benzenediol, 4,4-1,1-biphenyl-4,4-diylbis(azo)bis-1,3-Benzenediol, 4,4-1,1-biphenyl-4,4-diylbis(azo)bis-6358-84-5
Benzenemethanol, ar-methyl-, acetateBenzenemethanol, ar-methyl-, acetate30676-70-1
Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]-, diazotized, coupled with 1-naphthalenol and 5,5'-oxybis[1,3-benzenediol], sodium saltsBenzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]-, diazotized, coupled with 1-naphthalenol and 5,5'-oxybis[1,3-benzenediol], sodium salts97952-80-2
Benzenamine, 4-(4-pyrimidinyloxy)- (9CI)Benzenamine, 4-(4-pyrimidinyloxy)- (9CI)417724-74-4
1,3-Benzenedicarboxylic acid, polymer with hexanedioic acid and 1,2-propanediol1,3-Benzenedicarboxylic acid, polymer with hexanedioic acid and 1,2-propanediol26140-99-8
1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and hexanedioic acid1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and hexanedioic acid90144-49-3
Benzenesulfonic acid, 2,4-diamino-3-4-2-(sulfooxy)ethylsulfonylphenylazo-5-2-sulfo-4-2-(sulfooxy)ethylsulfonylphenylazo-, potassium sodium salt2,4-ジアミノ-3-[[4-[[2-(スルホオキシ)エチル]スルホニル]フェニル]アゾ]-5-[[2-スルホ-4-[[2-(スルホオキシ)エチル]スルホニル]フェニル]アゾ]ベンゼンスルホン酸・ナトリウム・カリウム187026-95-5
Benzene, di-C10-14-alkyl derivs., fractionation overheads, heavy endsBenzene, di-C10-14-alkyl derivs., fractionation overheads, heavy ends68515-27-5
Benzenebutanoic acid, .alpha.-methyl-.gamma.-oxo-, ethyl esterBenzenebutanoic acid, .alpha.-methyl-.gamma.-oxo-, ethyl ester6938-44-9
Benzenesulfonic acid, 3,3-methylenebis2,4(or 4,6)-dihydroxyphenyleneazobis-, potassium sodium saltBenzenesulfonic acid, 3,3-methylenebis2,4(or 4,6)-dihydroxyphenyleneazobis-, potassium sodium salt243869-48-9
Copyright 2017 © ChemicalBook. All rights reserved