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共有 22211 条记录
1380413-60-4 Paliperidone Desfluoro Impurity 3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Paliperidone Desfluoro Impurity 3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 杂质-对照品 (2家)
147489-06-3 Pitavastatin Acetonide t-Butyl Ester (3R,5S,6E)-7-[2-cyclopropyl-4-(4-fluorophenyl)-quinolin-3-yl]-2,2-dimethyl-1,3-dioxane-6-heptenoic acid t-butyl ester Pitavastatin Acetonide t-Butyl Ester (3R,5S,6E)-7-[2-cyclopropyl-4-(4-fluorophenyl)-quinolin-3-yl]-2,2-dimethyl-1,3-dioxane-6-heptenoic acid t-butyl ester 杂质-对照品 (1家)
477-47-4 Podophyllotoxin 5a-Epimer (5R,5aS,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’:6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one Podophyllotoxin 5a-Epimer (5R,5aS,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’:6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one 杂质-对照品 (1家)
CAS�# 74431-23-5 Imipenem Monohydrate (5R,6S)-3-[[2-(Formimidoylamino)ethyl]thio]-6-[(R)-1- hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monohydrate Imipenem Monohydrate (5R,6S)-3-[[2-(Formimidoylamino)ethyl]thio]-6-[(R)-1- hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monohydrate 杂质-对照品 (1家)
1254942-29-4 Fesoterodine Fumarate Ester (2E)-2-Butenedioic acid 1-[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenyl propyl]-4-(2-methyl-1-oxopropoxy)phenyl]methyl] ester Fesoterodine Fumarate Ester (2E)-2-Butenedioic acid 1-[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenyl propyl]-4-(2-methyl-1-oxopropoxy)phenyl]methyl] ester 杂质-对照品 (1家)
1320346-45-9 Pemetrexed 6-Oxo DiMethyl Ester N-[4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid dimethyl ester Pemetrexed 6-Oxo DiMethyl Ester N-[4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid dimethyl ester 杂质-对照品 (3家)
139756-27-7 Sildenafil Chlorosulfone O-Desethyl Impurity 4-Hydroxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)benzene-1-sulfonyl chloride Sildenafil Chlorosulfone O-Desethyl Impurity 4-Hydroxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)benzene-1-sulfonyl chloride 杂质-对照品 (1家)
869111-60-4 (3S,3'S,5S,5'S,6R,6'R)3,3'-[[(Phenylmethyl)imino]bis[(3S)-3-hydroxy-4,1-butanediyl]]bis[2-oxo-5,6-diphenyl-4-morpholinecarboxylic Acid Bis(tert-butyl) Ester (3S,3'S,5S,5'S,6R,6'R)3,3'-[[(Phenylmethyl)imino]bis[(3S)-3-hydroxy-4,1-butanediyl]]bis[2-oxo-5,6-diphenyl-4-morpholinecarboxylic Acid Bis(tert-butyl) Ester 杂质-对照品 (1家)
265989-34-2 (6-{2-[3-(4-Phenylcarbamoyl)-5-(4-fluoro-phenyl)-2-isopropyl- 4-phenyl-d5-pyrrol-1-yl]-ethyl}-2,2-dimethyl-[1,3]-dioxane-4-yl)-acetic Acid, tert-Butyl Ester (6-{2-[3-(4-Phenylcarbamoyl)-5-(4-fluoro-phenyl)-2-isopropyl- 4-phenyl-d5-pyrrol-1-yl]-ethyl}-2,2-dimethyl-[1,3]-dioxane-4-yl)-acetic Acid, tert-Butyl Ester 杂质-对照品 (1家)
260414-73-1 2-(4-Aminophenyl)-1,2-dihydro-7-[(1-oxido-2-pyridinyl)methoxy]-1-oxo-4-(3,4,5-trimethoxyphenyl)-3-isoquinolinecarboxylic Acid methyl Ester Monohydrochloride 2-(4-Aminophenyl)-1,2-dihydro-7-[(1-oxido-2-pyridinyl)methoxy]-1-oxo-4-(3,4,5-trimethoxyphenyl)-3-isoquinolinecarboxylic Acid methyl Ester Monohydrochloride 杂质-对照品 (1家)
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