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Description CAS Number Molecular Formula
3(2H)-Pyridazinone, 4-chloro-2-methyl-5-(2-propynylamino)- (9CI) 124414-87-5 C8H8ClN3O
4(1H)-Pyrimidinone, 1-acetyl-6-amino-2,3-dihydro-2-thioxo- 947881-18-7 C6H7N3O2S
2(1H)-Pyridinone, 3,4-diamino-1-ethyl- 921214-33-7 C7H11N3O
11H-Pyrido[2,1-b]quinazolin-11-one, 6,7,8,9-tetrahydro-2,4-bis(1-methylethoxy)- 850656-07-4 C18H24N2O3
1(4H)-Pyridinecarbothioamide, 4-ethynyl-3,5-diformyl- 62827-27-4 C10H8N2O2S
11H-Pyrido[2,1-b]quinazolin-11-one, 6,7,8,9-tetrahydro-6-[(4-hydroxy-3,5-dimethoxyphenyl)methylene]-4-methoxy-, (6E)- 862080-91-9 C22H22N2O5
4(1H)-Pyridazinone, 3,6-dichloro- 53337-81-8 C4H2Cl2N2O
2(1H)-Pyridone, 4-hydroxy-1,6-dimethyl-3-nitro- (7CI,8CI) 4966-91-0 C7H8N2O4
2(1H)-Pyridinethione, 6-hydroxy-1-(1-propenyl)- (9CI) 40585-04-4 C8H9NOS
1(2H)-Pyridazineacetic acid, tetrahydro--alpha--hydroxy-6-oxo-2-phenyl- 153143-63-6 C12H14N2O4
1(2H)-Pyridinecarboxylic acid, 3-(chloromethyl)-5,6-dihydro-, methyl ester 194492-02-9 C8H12ClNO2
2(1H)-Pyridinethione, 1-benzoyl-3,6-dihydro- (7CI,8CI) 6431-24-9 C12H11NOS
2(1H)-Pyridinethione, 1-(2-benzoxazolyl)- 208043-70-3 C12H8N2OS
2(1H)-Pyrimidinethione, 4,6-diamino-5-methyl- 162706-06-1 C5H8N4S
2(1H)-Pyrimidinone, 4,5,6-triamino-1-methyl- 45864-27-5 C5H9N5O
1H-Pyrido[3,2:2,3]azocino[4,5-b]indole (9CI) 909776-37-0 C16H11N3
1H-pyrido[2,3,4-de][1,6]naphthyridine-2,3,5,6,8,9-hexacarboxylic acid C16H7N3O12
4H-Pyrido[1,2-a]pyrimidin-4-one,9-acetyl-7-methyl-2-(4-morpholinyl)- 663619-91-8 C15H17N3O3
4(1H)-Pyridinone, 1-acetyl-3-hydroxy-2-methyl- (9CI) 95215-49-9 C8H9NO3
2(1H)-Pyridone, 3-(bromoacetyl)- (8CI) 27038-46-6 C7H6BrNO2
2(1H)-Pyrimidinone, 4-amino-1-ethynyl- (9CI) 141299-26-5 C6H5N3O
4H-Pyrimido[1,2-b]pyridazine-3-carbonyl chloride, 4-oxo- (9CI) 68786-53-8 C8H4ClN3O2
1(4H)-Pyridinepropanamide, 2-ethyl-3-hydroxy-N-methyl-4-oxo- (9CI) 742681-77-2 C11H16N2O3
2(1H)-Pyridinone, 4-hydroxy-6-methyl-1-(3-pyridinylmethyl)- (9CI) 586378-89-4 C12H12N2O2
2(1H)-Pyridinone, 5,6-dihydro-5-hydroxy-3-methoxy-6-methyl-, (5S,6R)- (9CI) 391594-53-9 C7H11NO3
2H-Pyrido[1,2-a]pyrimidine-7,8,9-triol, 3,4,6,7,8,9-hexahydro-6-(hydroxymethyl)-, (6R,7R,8S,9S)- (9CI) 675130-38-8 C9H16N2O4
3(2H)-Pyridazinone, 5-(aminomethyl)-2-ethyl- (9CI) 779353-74-1 C7H11N3O
4(1H)-Pyridinone, 1-(2,2-dimethoxyethyl)-3-hydroxy-2-methyl- (9CI) 213026-86-9 C10H15NO4
4(1H)-Pyridinone, 3-hydroxy-2,6-bis(methoxymethyl)-1-methyl- (9CI) 746599-88-2 C10H15NO4
4(1H)-Pyrimidinone, 2-(2-propenylamino)- (9CI) 451523-63-0 C7H9N3O
4(1H)-Pyrimidinone, 6-hydroxy-2-(phenoxymethyl)- (9CI) 620985-09-3 C11H10N2O3
4(1H)-Pyrimidinone, 6-hydroxy-5-methyl-2-(phenylamino)- (9CI) 620984-87-4 C11H11N3O2
4H-Pyrimido[4,5-b]indol-4-one, 2-amino-1,9-dihydro-6-hydroxy- (9CI) 728880-57-7 C10H8N4O2
1(2H)-Pyridinecarboxaldehyde, 3,4-dihydro-2-hydroxy-6-methyl- (9CI) 95018-39-6 C7H11NO2
2(1H)-Pyridinethione, 5,6-dihydro-6-(hydroxymethyl)-, (S)- (9CI) 175702-33-7 C6H9NOS
4(1H)-Pyridinone, 5-hydroxy-2-(hydroxymethyl)-1-methyl- (9CI) 70033-59-9 C7H9NO3
1(2H)-Pyridinecarboxylic acid, 3,6-dihydro-5-((methoxyimino)methyl)-, 2-phenylethyl ester, (E)- 145071-38-1 C16H20N2O3
1(2H)-Pyrimidineethanamine, tetrahydro-3-methyl-N-phenyl-, ethanedioat e (1:2) 77869-59-1 C13H21N3.2C2H2O4
1H-Pyrido(2,1-b)quinazoline-8-carboxamide, N-(1-methyl-4-(3-pyridinyl) butyl)-1-oxo- 110996-51-5 C23H22N4O2
2(1H)-Pyrimidinone, 1-(2-deoxy-5-O-(hydroxy((hydroxy(phosphonooxy)phos phinyl)oxy)phosphinyl)-beta-D-erythro-pentofuranosyl)-4-methoxy- 88254-09-5
3(2H)-Pyridazinone, 6-(p-bromophenyl)-4-methyl-2-(2-morpholinoethyl)-, hydrochloride 29285-74-3
4(1H)-Pyridazinone, 6-methyl-3-(phenylmethoxy)-1-(3-(trifluoromethyl)p henyl)- 146824-79-5 C19H15F3N2O2
4H-Pyrimido(6,1-a)isoquinolin-4-one, 6,7-dihydro-9,10-dimethoxy-2-((2, 4,6-trimethylphenyl)amino)-, hydrochloride, hydrate (1:1:2) 76536-65-7 C23H25N3O3.ClH.2H2O
2(1H)-Pyridinone,5,6-dihydro-4,5-dimethyl-(9CI) 204118-36-5 C7H11NO
1H-Pyrimido[1,6-c][1,3]oxazepine(9CI) 183156-04-9 C8H8N2O
1(2H)-Pyrimidinecarboxamide,3-aminotetrahydro-2-oxo-(9CI) 123981-22-6 C5H10N4O2
2(1H)-Pyrimidinone,5-fluoro-3,4-dihydro-4-hydroxy-1-methyl-(9CI) 205926-77-8 C5H7FN2O2
2H-Pyrimido[6,1-a]isoquinoline-2,4(3H)-dione,6,7,8,9,10,11-hexahydro-(9CI) 587008-88-6 C12H14N2O2
2H-Pyrido[2,3:4,5]imidazo[2,1-b][1,3]thiazine,3-ethyl-3,4-dihydro-(9CI) 749160-83-6 C11H13N3S
2(1H)-Pyridinethione,1-ethoxy-(9CI) 185507-87-3 C7H9NOS
3(2H)-Pyridinone,1,4-dihydro-1,5-dimethyl-(9CI) 99470-58-3 C7H11NO
2(1H)-Pyridinone,3-(aminomethyl)-4-methyl-6-phenyl-(9CI) 771573-87-6 C13H14N2O
2H-Pyrido[1,2-a]pyrazinium,octahydro-5-methyl-1-oxo-,trans-(9CI) 758625-90-0 C9H17N2O
4(1H)-Pyrimidinone,2-amino-6-methyl-5-(1-methylethyl)-(9CI) 500161-11-5 C8H13N3O
2(1H)-Pyridinone,3,6-dihydro-5-methyl-6-(1-methylethyl)-,(6S)-(9CI) 265996-31-4 C9H15NO
2(1H)-Pyridinimine,1-pentyl-(9CI) 732202-33-4 C10H16N2
2H-Pyrido[1,2-a]pyrimidin-2-one,3,4-dihydro-3-hydroxy-(9CI) 412341-41-4 C8H8N2O2
4(1H)-Pyridinone,1-amino-(9CI) 57555-04-1 C5H6N2O
4H-Pyrido[3,2-e]-1,2,4-thiadiazine,3-methyl-,1,1-dioxide(9CI) 164124-12-3 C7H7N3O2S
2(1H)-Pyrimidinone,5-methyl-4-(methylamino)-,hydrazone(9CI) 329783-11-1 C6H11N5
2(1H)-Pyridinone,3-(aminomethyl)-(9CI) 123369-45-9 C6H8N2O
2(1H)-Pyridinone,6-amino-5-hydroxy-(9CI) 65017-17-6 C5H6N2O2
2(1H)-Pyrimidinone,4-amino-5-fluoro-5,6-dihydro-6-methoxy-(9CI) 272781-94-9 C5H8FN3O2
1H-Pyrido[2,3-b][1,4]thiazin-2-amine,6-methoxy-(9CI) 116966-34-8 C8H9N3OS
4H-Pyrimido[2,1-c][1,2,4]triazine,3-methyl-(9CI) 744147-53-3 C7H8N4
2(1H)-Pyridinethione,3-methoxy-(9CI) 155222-37-0 C6H7NOS
6H-Pyrido[2,1-i]indol-6-one,1,4,7,7a,8,9,10,11-octahydro-2,7a-dimethyl-(9CI) 810681-60-8 C14H21NO
2H-Pyrimido[4,5-b]azepine-2-thione,4-ethyl-1,3,5,6,7,8-hexahydro-(9CI) 644950-96-9 C10H15N3S
4(1H)-Pyrimidinone,5-bromo-2-ethoxy-(9CI) 222737-71-5 C6H7BrN2O2
1(4H)-Pyridinecarbonitrile,4,4-dimethyl-(9CI) 84567-25-9 C8H10N2
4(1H)-Pyridinone,2-hydroxy-6-methyl-(9CI) 70254-46-5 C6H7NO2
4(1H)-Pyrimidinone,5-amino-2-methyl-6-(1-methylethyl)-(9CI) 155082-36-3 C8H13N3O
2(1H)-Pyrimidinone,5-acetyl-3,4-dihydro-6-methyl-4-(3-thienyl)-(9CI) 423153-18-8 C11H12N2O2S
2(1H)-Pyridinone,6-nitro-(9CI) 213113-45-2 C5H4N2O3
9H-Pyrido[2,3-b]indole,9-methyl-6-nitro-(8CI) 801988-25-0 C12H9N3O2
2H-Pyrido[1,2-a]pyrazin-1(6H)-one,2-ethylhexahydro-(9CI) 88327-88-2 C10H18N2O
4(1H)-Pyridinone,3-(hydroxymethyl)-(9CI) 142890-84-4 C6H7NO2
4(1H)-Pyrimidinone,2-amino-6-ethyl-5-(phenylmethyl)-(9CI) 534599-84-3 C13H15N3O
2H-Pyrido[3,2-e]-1,2-oxazine(9CI) 113059-78-2 C7H6N2O
4(3H)-Pyrimidinone,3,6-diamino-2-methyl-(9CI) 623158-23-6 C5H8N4O
2(1H)-Pyridone,3-fluoro-4-methyl-(8CI) 34610-81-6 C6H6FNO
2(1H)-Pyridinone,4-(2-aminoethyl)-(9CI) 746581-25-9 C7H10N2O
1(2H)-Pyridineaceticacid,2-imino-(9CI) 126202-06-0 C7H8N2O2
2(3H)-Pyridinethione,6-methyl-(9CI) 832129-59-6 C6H7NS
2H-Pyrido[2,3-e]-1,3-thiazine(9CI) 119504-49-3 C7H6N2S
4(1H)-Pyrimidinone,2-amino-5,6-dihydro-1,5-dimethyl-(9CI) 88075-54-1 C6H11N3O
5H-Pyrimido[4,5-b]azepin-5-one,2,9-diethyl-6,7,8,9-tetrahydro-(9CI) 625105-60-4 C12H17N3O
4(1H)-Pyridinone,2-fluoro-(9CI) 253435-42-6 C5H4FNO
1H-Pyrido[4,3-b]indole,2-ethyl-2,3,4,4a,5,9b-hexahydro-8-methyl-,cis-(9CI) 770658-12-3 C14H20N2
2(1H)-Pyrimidinimine,5-ethyl-1,4,6-trimethyl-(9CI) 763879-79-4 C9H15N3
2H-Pyrido[1,2-a]pyrazine-1,6-dione,hexahydro-3-methyl-(9CI) 325953-71-7 C9H14N2O2
2(1H)-Pyridinethione,4-amino-(9CI) 59243-40-2 C5H6N2S
4(1H)-Pyrimidinone,5-ethyl-6-hydroxy-2-(2-propenylthio)-(9CI) 510717-74-5 C9H12N2O2S
2(1H)-Pyridinone,5-hydroxy-6-methyl-(9CI) 39112-84-0 C6H7NO2
2(1H)-Pyridinethione,3-hydroxy-1-methyl-(9CI) 79246-92-7 C6H7NOS
1(4H)-Pyridineacetonitrile,4-oxo-(9CI) 115698-15-2 C7H6N2O
2(1H)-Pyridinone,4-(chloromethyl)-(9CI) 105590-03-2 C6H6ClNO
4(1H)-Pyridinone,3-ethyl-(9CI) 465519-17-9 C7H9NO
5H-Pyrimido[4,5-b]azepin-5-one,2-ethyl-6,7,8,9-tetrahydro-9-methyl-(9CI) 625106-67-4 C11H15N3O
2(1H)-Pyridinone,1-[3-(dimethylamino)phenyl]-3-methyl-(9CI) 806619-90-9 C14H16N2O
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