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共有 52147 条记录
CAS # 61477-96-1 (anhydrous) 66258-76-2 (monohyd Piperacillin (Acid) Monohydrate (2S,5R,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid monohydrate Piperacillin (Acid) Monohydrate (2S,5R,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid monohydrate 杂质-对照品 (1家)
85178-60-5 (Sodium Salt) 85248-93-7 (acid) Mupirocin EP Impurity C (4E)-9-[[(2E)-4-[(2S,3R,4R,5S)-3,4-Dihydroxy-5-[[(2S,3S)-3-[(1S,2S)-2-hydroxy-1-methylpropyl]oxiranyl]methyl]tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoyl]oxy]non-4-enoic acid sodium salt Mupirocin EP Impurity C (4E)-9-[[(2E)-4-[(2S,3R,4R,5S)-3,4-Dihydroxy-5-[[(2S,3S)-3-[(1S,2S)-2-hydroxy-1-methylpropyl]oxiranyl]methyl]tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoyl]oxy]non-4-enoic acid sodium salt 杂质-对照品 (1家)
 78439-06-2 (pentahydrate) 72558-82-8 (anhydrous Ceftazidime Pentahydrate 1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy) imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium inner salt pentahydrate Ceftazidime Pentahydrate 1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)[(1-carboxy-1-methylethoxy) imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium inner salt pentahydrate 杂质-对照品 (1家)
153832-38-3 Ertapenem Disodium [4R-[3(3S*,5S*),4α,5β,6β(R*)]]-3-[[5-[[(3­-Carboxyphenyl) amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-­azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid disodium salt Ertapenem Disodium [4R-[3(3S*,5S*),4α,5β,6β(R*)]]-3-[[5-[[(3­-Carboxyphenyl) amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-­azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid disodium salt 杂质-对照品 (2家)
CAS # 136572-09-3 Irinotecan HCl Trihydrate [1,4’-Bipiperidine]-1’-carboxylic Acid (4S)-4,11-Diethyl-3,4,12,14- tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinolin-9-yl ester hydrochloride trihydrate Irinotecan HCl Trihydrate [1,4’-Bipiperidine]-1’-carboxylic Acid (4S)-4,11-Diethyl-3,4,12,14- tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinolin-9-yl ester hydrochloride trihydrate 杂质-对照品 (2家)
1260619-56-4 阿巴卡韦-D4 Abacavir-d4; (2RS,6R,7R)-7-[[(2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-[(1-CARBOXY-1-METHYLETHOXY)IMINO]ACETYL]AMINO]-8-OXO-3-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-3-ENE-2-CARBOXYLATE (Δ-2-CEFTAZIDIME) Abacavir-d4; (2RS,6R,7R)-7-[[(2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-[(1-CARBOXY-1-METHYLETHOXY)IMINO]ACETYL]AMINO]-8-OXO-3-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-3-ENE-2-CARBOXYLATE (Δ-2-CEFTAZIDIME) 杂质-对照品 (2家)
339528-86-8 Cefpodoxime Proxetil EP Impurity C (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-2-(2-amino thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate Cefpodoxime Proxetil EP Impurity C (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-2-(2-amino thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate 杂质-对照品 (3家)
217803-89-9 Cefpodoxime Proxetil EP Impurity E (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-3-(acetoxymethyl)-7-[[(2Z)-2-(2-aminothiazol4-yl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefpodoxime Proxetil EP Impurity E (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-3-(acetoxymethyl)-7-[[(2Z)-2-(2-aminothiazol4-yl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 杂质-对照品 (4家)
1428856-46-5 (base) Fesoterodine Diol Dimer Monoester 2-Methyl-propanoic acid 2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-[[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxyphenyl] methoxy]methyl]phenyl ester fumarate   Fesoterodine Diol Dimer Monoester 2-Methyl-propanoic acid 2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-[[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxyphenyl] methoxy]methyl]phenyl ester fumarate   杂质-对照品 (1家)
546-57-6 Erythromycin EP Impurity I (1S,4S,5R,8R,9S,10S,11R,12R,14R)-5-Ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-ß-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one Erythromycin EP Impurity I (1S,4S,5R,8R,9S,10S,11R,12R,14R)-5-Ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-ß-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one 杂质-对照品 (3家)
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