ChemicalBook
Chinese English Germany Japanse
1 2 3 4 5 6 7 8 9
67701-18-2지방산,C18-불포화,이량체,화합물.트리에탄올아민으로Fatty acids, C18-unsatd., dimers, compds. with triethanolamine
68139-61-7지방산,C18-불포화,이량체,폴리에틸렌글리콜이함유된디스터Fatty acids,C18-unsatd.,dimers,diesters with polyethylene glycol
67761-95-9지방산,톨유,벤조산중합체,펜타에리트리톨,프탈산무수물및트리메틸올프로판Fatty acids, tall-oil, polymers with benzoic acid, pentaerythritol, phthalic anhydride and trimethylolpropane
119298-95-2지방산,C18-불포화,이량체,C18-불포화중합체.지방산삼량체,에틸렌디아민,헥사메틸렌디아민및프로피온산Fatty acids, C18-unsatd., dimers, polymers with C18-unsatd. fatty acid trimers, ethylenediamine, hexamethylenediamine and propionic acid
128754-63-2지방산,C18-불포화,이량체,아젤라산,디에틸렌글리콜,이소프탈산,말레산무수물및트리메틸올프로판함유중합체Fatty acids, C18-unsatd., dimers, polymers with azelaic acid, diethylene glycol, isophthalic acid, maleic anhydride and trimethylolpropane
147977-79-5지방산,톨유,트리메틸올프로판과의에스테르Fatty acids, tall-oil, esters with trimethylolpropane
68154-51-8지방산,C18-불포화,이량체,아세트산중합체,에틸렌디아민및트리메틸렌디아민Fatty acids, C18-unsatd., dimers, polymers with acetic acid, ethylenediamine and trimethylenediamine
61791-07-9지방산,대두,에톡실화Fatty acids, soya, ethoxylated
68552-43-2지방산,대두,하이드록시말단MePh실록산,펜타에리트리톨및프탈산무수물함유중합체Fatty acids, soya, polymers with hydroxy-terminated Me Ph siloxanes, pentaerythritol and phthalic anhydride
68082-51-9지방산,톨유,에틸렌글리콜중합체,펜타에리트리톨,프탈산무수물및콩기름Fatty acids, tall-oil, polymers with ethylene glycol, pentaerythritol, phthalic anhydride and soybean oil
61791-06-8지방산,수지,폴리에틸렌글리콜함유세스퀴에스터Fatty acids, tallow, sesquiesters with polyethylene glycol
68911-00-2지방산,식물성기름,polymd.,Me에스테르Fatty acids, vegetable-oil, polymd., Me esters
68132-68-3지방산,코코아,프탈산무수물및트리메틸올프로판을함유한중합체Fatty acids, coco, polymers with phthalic anhydride and trimethylolpropane
68139-79-7지방산,C18-불포화,이량체,에틸렌디아민및대두지방산중합체Fatty acid,C18-unsatd,dimers,polymers with ethylenediamine and soya fatty acid
66071-26-9지방산,콩,p-tert-부틸벤조산,펜타에리트리톨및프탈산무수물을갖는중합체Fatty acids,soya,polymers with p-tert-butylbenzoic acid,pentaerythritol and phthalic anhydride
68424-40-8지방산,C18-불포화,이량체,비스(2-에틸헥실)에스테르Fatty acids, C18-unsatd., dimers, bis(2-ethylhexyl) esters
68990-40-9지방산,C18-불포화,이량체,디이소시아네이트,2,3-비스(.감마.-.오메가.-퍼플루오로-C4-18-알킬)-1,4-부탄디올,1,6-디이소시아나토-2,2,4중합체,2,4,4(또는2,2)-트리메틸헥산및XNUMX-(메틸이미노)비스에탄올Fatty acids, C18-unsatd., dimers, diisocyanates, polymers with 2,3-bis(.gamma.-.omega.-perfluoro-C4-18-alkyl)-1,4-butanediol, 1,6-diisocyanato-2,2,4(or 2,4,4)-trimethylhexane and 2,2-(methylimino)bisethanol
68154-31-4에톡시화 프로폭시화 지방산 (C=14-18)Fatty acids, C14-18, ethoxylated propoxylated
68650-21-5Fatty acids, tall-oil, polymers with 2-amino-2-(hydroxymethyl)-1,3-propanediol and formaldehydeFatty acids, tall-oil, polymers with 2-amino-2-(hydroxymethyl)-1,3-propanediol and formaldehyde
68514-12-5지방산,식물성기름,글리세롤중합체,프탈산무수물및프로필렌글리콜Fatty acids, vegetable-oil, polymers with glycerol, phthalic anhydride and propylene glycol
66070-75-5지방산,톨유,비스페놀A및에피클로로히드린이포함된폴리머Fatty acids, tall-oil, polymers with bisphenol A and epichlorohydrin
70983-77-6지방산,C18-불포화,이량체,에틸렌디아민및프로피온산중합체Fatty acids, C18-unsatd., dimers, polymers with ethylenediamine and propionic acid
68082-29-1폴리아미도아민Fatty acids, C18-unsatd., dimers, polymers with tall-oil fatty acids and triethylenetetramine
68989-58-2지방산,C16-18및C18-불포화,에톡시화Fatty acids, C16-18 and C18-unsatd., ethoxylated
67700-92-9펜타에리트리톨-프탈 무수물-톨 기름 지방산 중합체Fatty acids, tall-oil, polymers with pentaerythritol and phthalic anhydride
68213-23-0에톡시화 알콜(C=12-18)FATTY ALCOHOL POLYGLYCOL ETHER
67700-67-8지방산,대두,에틸렌글리콜,펜타에리트리톨및프탈산무수물함유중합체Fatty acids, soya, polymers with ethylene glycol, pentaerythritol and phthalic anhydride
129870-93-5지방산,C8-18및C18-불포화,디부틸옥소스탄난,프탈산무수물및트리메틸올에탄과의중합체Fatty acids, C8-18 and C18-unsatd., polymers with dibutyloxostannane, phthalic anhydride and trimethylolethane
68476-09-5지방산,톨유,트리펜타에리트리톨함유에스테르,에톡시화프로폭시화Fatty acids, tall-oil, esters with tripentaerythritol, ethoxylated propoxylated
68920-30-9지방산,대두,글리세롤중합체,아마씨유,펜타에리트리톨,무수프탈산및대두유Fatty acids, soya, polymers with glycerol, linseed oil, pentaerythritol, phthalic anhydride and soybean oil
68459-58-5지방산,콩,펜타에리트리톨,프탈산무수물,트리멜리트산무수물및트리메틸올프로판중합체Fatty acids, soya, polymers with pentaerythritol, phthalic anhydride, trimellitic anhydride and trimethylolpropane
124751-12-8지방산,톨유,p-tert-부틸벤조산중합체,디펜타에리트리톨,펜타에리트리톨및프탈산무수물Fatty acids, tall-oil, polymers with p-tert-butylbenzoic acid, dipentaerythritol, pentaerythritol and phthalic anhydride
68071-68-1지방산,톨유,디에틸렌글리콜중합체,말레산무수물및프탈산무수물Fatty acids, tall-oil, polymers with diethylene glycol, maleic anhydride and phthalic anhydride
68915-20-8지방산,식물성기름,아크릴로니트릴,크로톤산,Me메타크릴레이트,펜타에리트리톨,프탈산무수물및스티렌함유중합체Fatty acids, vegetable-oil, polymers with acrylonitrile, crotonic acid, Me methacrylate, pentaerythritol, phthalic anhydride and styrene
125471-93-4지방산,코코,아디프산중합체,네오펜틸글리콜,무수프탈산및무수트리멜리트산Fatty acids, coco, polymers with adipic acid, neopentyl glycol, phthalic anhydride and trimellitic anhydride
68131-01-1지방산,톨유,에틸렌글리콜,펜타에리트리톨,프탈산무수물및동유가함유된폴리머Fatty acids, tall-oil, polymers with ethylene glycol, pentaerythritol, phthalic anhydride and tung oil
fatty alcohol ammonium sulfatefatty alcohol ammonium sulfate
68876-86-8지방산,C6-12,바륨염Fatty acids, C6-12, barium salts
125471-75-2지방산,탈수피마자유,벤조산중합체,글리세롤,아마인유,펜타에리트리톨및프탈산무수물Fatty acids, dehydrated castor-oil, polymers with benzoic acid, glycerol, linseed oil, pentaerythritol and phthalic anhydride
68552-99-8지방산,식물성기름,프탈산무수물및로진함유중합체Fatty acids, vegetable-oil, polymers with phthalic anhydride and rosin
125408-62-0지방산,탈수피마자유,벤조산중합체,펜타에리트리톨,톨유지방산및트리메틸올에탄Fatty acids, dehydrated castor-oil, polymers with benzoic acid, pentaerythritol, tall-oil fatty acids and trimethylolethane
129126-93-8지방산,C16및C18-불포화,p-tert-부틸벤조산중합체,땅콩기름지방산,펜타에리트리톨및프탈산무수물Fatty acids, C16 and C18-unsatd., polymers with p-tert-butylbenzoic acid, peanut-oil fatty acids, pentaerythritol and phthalic anhydride
73138-51-9지방산,콩,1,6-디이소시아나토헥산,펜타에리트리톨및프탈산무수물함유중합체Fatty acids, soya, polymers with 1,6-diisocyanatohexane, pentaerythritol and phthalic anhydride
106214-62-4지방산,대두,아디프산중합체,1,6-헥산디올,3-히드록시-2-(히드록시메틸)-2-메틸프로판산,5-이소시아나토-1-(이소시아네이토메틸)-1,3,3-트리메틸시클로헥산,이소프탈산산및트리메틸올프로판,화합물.트리에틸아민과함께Fatty acids, soya, polymers with adipic acid, 1,6-hexanediol, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 5-isocyanato-1-(isocyanatomethyl) -1,3,3-trimethylcyclohexane, isophthalic acid and trimethylolpropane, compds. with triethylamine
68082-44-0지방산,톨유,벤조산중합체,프탈산무수물및트리메틸올에탄Fatty acids, tall-oil, polymers with benzoic acid, phthalic anhydride and trimethylolethane
68390-26-1지방산,톨유,탈수피마자유중합체,펜타에리트리톨및무수프탈산Fatty acids, tall-oil, polymers with dehydrated castor oil, pentaerythritol and phthalic anhydride
68154-64-3지방산,탈수피마자유,2-에틸헥실아크릴레이트,글리시딜메타크릴레이트및스티렌중합체Fatty acids, dehydrated castor-oil, polymers with 2-ethylhexyl acrylate, glycidyl methacrylate and styrene
68154-52-9지방산,C18-불포화,이량체,아젤라산중합체,에틸렌디아민,헥사메틸렌디아민및스테아르산Fatty acids, C18-unsatd., dimers, polymers with azelaic acid, ethylenediamine, hexamethylenediamine and stearic acid
68188-65-8지방산,톨유,글리세롤,이소프탈산,네오펜틸글리콜및펜타에리트리톨중합체Fatty acids, tall-oil, polymers with glycerol, isophthalic acid, neopentyl glycol and pentaerythritol
68915-44-6지방산,톨유,피마자유중합체,펜타에리트리톨,프탈산무수물,스티렌및엑소-1,7,7-트리메틸비시클로[2.2.1]헵트-2-일메타크릴레이트Fatty acids, tall-oil, polymers with castor oil, pentaerythritol, phthalic anhydride, styrene and exo-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl methacrylate
77111-17-2지방산,C18-불포화,이량체,푸마르산중합체,1,4,5,6,7,7-헥사클로로비시클로[2,2,1]헵트-5-엔-2,3-디카르복실산및2,2,4,1,3-트리메틸-XNUMX-펜탄디올Fatty acids, C18-unsatd., dimers, polymers with fumaric acid, 1,4,5,6,7,7-hexachlorobicyclo[ 2,2,1]hept-5-ene-2,3-dicarboxylic acid and 2,2,4-trimethyl-1,3-pentanediol
106214-63-5지방산,대두,벤조산중합체,3-히드록시-2-(히드록시메틸)-2-메틸프로판산,5-이소시아네이토-1-(이소시아네이토메틸)-1,3,3-트리메틸시클로헥산,이소프탈산,펜타에리트리톨및프탈산무수물,compds.트리에틸아민으로Fatty acids, soya, polymers with benzoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 5-isocyanato-1-(isocyanatomethyl) -1,3,3-trimethylcyclohexane, isophthalic acid, pentaerythritol and phthalic anhydride, compds. with triethylamine
139168-80-2지방산,톨유,비스페놀A함유중합체,에피클로르히드린,에틸렌부산물디시클로펜타디엔농축알켄,에틸렌부산물피페릴렌컷알켄및말레산무수물Fatty acids, tall-oil, polymers with bisphenol A, epichlorhydrin, ethylene-manuf.-by-product dicyclopentadiene-conc. alkenes, ethylene-manuf.-by-product piperylene-cut alkenes and maleic anhydride
171398-80-4지방산,땅콩유,아크릴산텔로머,Bu아크릴레이트,1-도데칸티올,1,6-헥산디올,말레산무수물,Me메타크릴레이트,프탈산무수물,프로필렌글리콜모노메타크릴레이트및트리메틸올프로판,그래프트,tert-Bu2-에틸헥산퍼옥소에이트-이니티Fatty acids, peanut-oil, telomers with acrylic acid, Bu acrylate, 1-dodecanethiol, 1,6-hexanediol, maleic anhydride, Me methacrylate, phthalic anhydride, propylene glycol monomethacrylate and trimethylolpropane, graft, tert-Bu 2-ethylhexaneperoxoate-initi
FATTYACID-AMIDOALKYLBETAINEFATTYACID-AMIDOALKYLBETAINE
FATTYACIDDIALKANOLAMIDESFATTYACIDDIALKANOLAMIDES
68459-44-9지방산,C18-불포화,이량체,테트라에틸렌펜타민및트리에틸렌테트라민과의중합체Fatty acids, C18-unsatd., dimers, polymers with tetraethylenepentamine and triethylenetetramine
158318-70-8지방산,C8-10,에톡실화,에폭시화대두유와의반응생성물Fatty acids, C8-10, ethoxylated, reaction products with epoxidized soybean oil
68308-89-4지방산,C18-불포화,이량체,에톡시화프로폭시화Fatty acids, C18-unsatd., dimers, ethoxylated propoxylated
61788-66-7지방 산, 식물성-기름Vegetable fatty acids
61788-89-4이분자체 산C36 Dimer acid
68952-11-4지방산,C12-18,2-비스(2-히드록시에틸)아미노에틸에스테르Fatty acids, C12-18, 2-bis(2-hydroxyethyl)aminoethyl esters
147853-32-5지방산, 언세티드C=18, 다이멀, 미 에스테르, 하이드로젠네이티드Fatty acids, C18-unsatd., dimers, di-Me esters, hydrogenated
105839-18-7지방산, C16-18과 C18-언세티드, 폴리머와 비스페놀 A, 부 글라이시딜 에테르, 에피클로로하이드린과 트리에틸렌테트라민Fatty acids, C16 and C18-unsatd., polymers with bisphenol A, Bu glycidyl ether, epichlorohydrin and triethylenetetramine
68071-65-8지방산,C18-불포화,이량체,톨유지방산중합체,테트라에틸렌펜타민및트리에틸렌테트라민Fatty acids, C18-unsatd., dimers, polymers with tall-oil fatty acids, tetraethylenepentamine and triethylenetetramine
68648-14-6Fatty acids, tall-oil, esters with polymd., oxidized coco alcs., bisulfitedFatty acids, tall-oil, esters with polymd., oxidized coco alcs., bisulfited
70983-74-3지방산,C18-불포화,이량체,도데칸디오산,에틸렌디아민및1-피페라진에탄아민함유중합체Fatty acids, C18-unsatd., dimers, polymers with dodecanedioic acid, ethylenediamine and 1-piperazineethanamine
68552-20-5지방산,C18-불포화,이량체,2-에틸헥사놀및폴리에틸렌글리콜함유중합체)FATTY ACIDS, C18-UNSATURATED, DIMERS, POLYMERS WITH 2-ETHYLHEXANOL AND POLYETHYLENE GLYCOL)
76082-35-4지방산,C18-불포화,삼량체,칼륨염)FATTY ACIDS, C18-UNSATURATED, TRIMERS, POTASSIUM SALTS)
68154-25-6지방산,C14-18및C16-18-불포화,에톡시화Fatty acids, C14-18 and C16-18-unsatd., ethoxylated
68552-05-6지방산,C18-불포화,이량체,에틸렌디아민중합체,2-에틸헥산산및톨유지방산Fatty acids, C18-unsatd., dimers, polymers with ethylenediamine, 2-ethylhexanoic acid and tall-oil fatty acids
68908-68-9C12-20애씨드피이지-8에스터Fatty acids, C12-20, ethoxylated
128973-72-8지방산,코코,.알파.,.알파.,.알파.-(메틸실릴리딘)트리스.오메가.-(2,3-디하이드록시프로폭시)폴리(옥시-1,2-에탄디일)함유에스테르Fatty acids, coco, esters with .alpha.,.alpha.,.alpha.-(methylsilylidyne)tris.omega.-(2,3-dihydroxypropoxy)poly(oxy-1,2-ethanediyl)
68139-81-1지방산,C18-불포화,이량체,에틸렌디아민,피페라진및세바스산과의중합체Fatty acids, C18-unsatd., dimers, polymers with ethylenediamine, piperazine and sebacic acid
124751-11-7지방산,톨유,벤조산중합체,코코넛오일,디펜타에리트리톨,글리세롤,펜타에리트리톨및프탈산무수물Fatty acids, tall-oil, polymers with benzoic acid, coconut oil, dipentaerythritol, glycerol, pentaerythritol and phthalic anhydride
129870-91-3지방산,C16-18및C18-불포화,벤조산중합체,Bu메타크릴레이트,2-(디메틸아미노)에틸메타크릴레이트,이소프탈산,Me메타크릴레이트,펜타에리트리톨,스티렌및톨유지방산Fatty acids, C16-18 and C18-unsatd., polymers with benzoic acid, Bu methacrylate, 2-(dimethylamino)ethyl methacrylate, isophthalic acid, Me methacrylate, pentaerythritol, styrene and tall-oil fatty acids
128971-25-5지방산,이소프탈산중합체,리놀레산이량체및트리에틸렌테트라민Fatty acids, polymers with isophthalic acid, linoleic acid dimer and triethylenetetramine
68132-40-1지방산,톨유,화합물.2-[(2-아미노에틸)아미노]에탄올-톨유지방산반응생성물Fatty acids, tall-oil, compds. with 2-[(2-aminoethyl)amino]ethanol-tall-oil fatty acid reaction products
68409-79-0지방산, C8-10-가지형, 납염, 베이직Fatty acids, C8-10-branched, lead salts, basic
68647-55-2Fatty acids, tall-oil, esters with triethanolamineFatty acids, tall-oil, esters with triethanolamine
68390-15-8지방산,콩,디펜타에리트리올및무수프탈산중합체Fatty acid,soya,polymer with dipentaerythriol and phthalic anhydride
68552-49-8지방산,톨유,폴리에틸렌글리콜모노(4-노닐페닐)에테르함유에스테르Fatty acids, tall-oil, esters with polyethylene glycol mono(4-nonylphenyl) ether
91031-85-5지방산,코코,2,2-디메틸-1,3-프로판디일에스테르Fatty acids, coco, 2,2-dimethyl-1,3-propanediyl esters
68647-51-8Fatty acids, C16-22, compds. with triethanolamineFatty acids, C16-22, compds. with triethanolamine
72480-46-7지방산,C18-불포화,이량체,에틸렌디아민중합체,글리세롤,이소프탈산,펜타에리트리톨,톨유및톨유지방산Fatty acids,C18-unsatd.,dimers,polymers with ethylenediamine,glycerol,isophthalic acid,pentaerythritol,tall oil and tall-oil fatty acids
2884-59-5지방산,C14-18및C16-18-불포화,에틸렌글리콜함유에스테르Fatty acids, C14-18 and C16-18 -unsatd., esters with ethylene giycol
68410-28-6지방산,톨유,벤조산,이소프탈산,트리멜리트산무수물및트리메틸올프로판중합체Fatty acids, tall-oil, polymers with benzoic acid, isophthalic acid, trimellitic anhydride and trimethylolpropane
68605-09-4지방산,아마인유,비스페놀A중합체,에피클로로히드린및스티렌Fatty acids, linseed-oil, polymers with bisphenol A, epichlorohydrin and styrene
211450-54-3지방산,C16-18및C18-unsatd.,Me에스테르,에폭시화,에틸렌글리콜과의반응생성물Fatty acids, C16-18 and C18-unsatd., Me esters, epoxidized, reaction products with ethylene glycol
61790-90-7지방산,톨유,소르비톨함유헥사에스테르,에톡시화Ethoxylated hexasters of tall oil fatty acids with sorbitol
68814-74-4지방산,C18-불포화,이량체,네오펜틸글리콜중합체,무수프탈산및트리메틸올프로판Fatty acids, C18-unsatd., dimers, polymers with neopentyl glycol, phthalic anhydride and trimethylolpropane
68920-15-0지방산,코코,글리세롤,말레산무수물,펜타에리트리톨및프탈산무수물을함유한중합체Fatty acids, coco, polymers with glycerol, maleic anhydride, pentaerythritol and phthalic anhydride
68333-62-0지방산,톨유,에틸렌글리콜,글리세롤,이소프탈산,펜타에리트리톨및프로필렌글리콜과의중합체톨유지방산,펜타에리트리톨,글리세린,에틸렌글리콜,프로필렌글리콜,이소프탈산수지Fatty acids, tall-oil, polymers with ethylene glycol, glycerol, isophthalic acid, pentaerythritol and propylene glycol Tall oil fatty acid, pentaerythritol, glycerin, ethylene glycol, propylene glycol, isophthalic acid resin
68552-63-6지방산,톨유,벤조산,펜타에리트리톨,프탈산무수물및프로필렌글리콜함유중합체Fatty acids, tall-oil, polymers with benzoic acid, pentaerythritol, phthalic anhydride and propylene glycol
68915-51-5지방산,코코,수소첨가,펜타에리트리톨,프탈산무수물,프로필렌글리콜및톨유지방산을함유한폴리머Fatty acids, coco, hydrogenated, polymers with pentaerythritol, phthalic anhydride, propylene glycol and tall-oil fatty acids
73049-45-3지방산,C18-22,에피클로로히드린및테트라에틸렌펜타민과의반응생성물,아세테이트Fatty acids, C18-22, reaction products with epichlorohydrin and tetraethylenepentamine, acetates
68082-28-0지방산,C18-불포화,이량체,에틸렌글리콜중합체Fatty acids, C18-unsatd., dimers, polymers with ethylene glycol
67762-04-3지방산,톨유,펜타에리트리톨중합체,프탈산무수물및트리메틸올프로판중합체톨유지방산,프탈산무수물,펜타에리트리톨,트리메틸올프로판중합체톨유지방산,무수프탈산,트리메틸올프로판,펜타에리트리톨수지톨유지방산,트리메틸올프로판,펜타에리트리톨,프탈산하이드라이드중합체이메틸올프로판지방산,톨유,중합체펜타에리트리톨,프탈산무수물및트리메틸올프로판함유Fatty acids, tall-oil, polymers with pentaerythritol, phthalic anhydride and trimethylolpropane Tall oil fatty acids, phthalic anhydride, pentaerythritol, trimethylolpropane polymer Tall oil fatty acids, phthalic anhydride, trimethylolpropane, pentaerythritol resin Tall oil fatty acids, trimethylolpropane, pentaerythritol, phthalicanhydride polymer imethylolpropane fatty acids, tall-oil, polymers with pentaerythritol,phthalic anhydride and trimethylolpropane
68783-45-9지방산,톨유,폴리에틸렌글리콜모노(노닐페닐)에테르함유에스테르,황산화Fatty acids, tall-oil, esters with polyethylene glycol mono(nonylphenyl) ether, sulfated
72854-19-4지방산,수지,수소화,디에틸렌글리콜함유에스테르,에톡실화Fatty acids, tallow, hydrogenated, esters with diethylene glycol, ethoxylated
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
Copyright 2019 © ChemicalBook. All rights reserved