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共有 47621 条记录
40980-51-6 Mupirocin EP Impurity A 9-[[(2E)-4-[(2S,3R,4R,5R)-3,4,5-Trihydroxy-5-[[(2S,3S)3-[(1S,2S)-2-hydroxy-1-methylpropyl]oxiranyl]methyl]tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoyl]oxy]nonanoic acid Mupirocin EP Impurity A 9-[[(2E)-4-[(2S,3R,4R,5R)-3,4,5-Trihydroxy-5-[[(2S,3S)3-[(1S,2S)-2-hydroxy-1-methylpropyl]oxiranyl]methyl]tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoyl]oxy]nonanoic acid 杂质-对照品 (2家)
147103-95-5 (R) Cefadroxil EP Impurity F (6R,7R)-7-[[(2R)-2-[[(2RS)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Cefadroxil EP Impurity F (6R,7R)-7-[[(2R)-2-[[(2RS)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 杂质-对照品 (2家)
67-97-0 Cholecalciferol (5Z,7E)-9,10-Secocholesta-5,7,10(19)-trien-3β-ol (S,E)-3-((Z)-2-((1R,3aS,7aR)-7a-Methyl-1-((R)-6-methylheptan-2-yl)-octahydroinden-4-ylidene)ethylidene)-4-methylenecyclohexanol Cholecalciferol (5Z,7E)-9,10-Secocholesta-5,7,10(19)-trien-3β-ol (S,E)-3-((Z)-2-((1R,3aS,7aR)-7a-Methyl-1-((R)-6-methylheptan-2-yl)-octahydroinden-4-ylidene)ethylidene)-4-methylenecyclohexanol 杂质-对照品 (3家)
1333233-46-7 5-​[2-​Ethoxy-​5-​[(4-​methyl-​1-​piperazinyl)​thioxomethyl]​phenyl]​-​1,​6-​dihydro-​1-​methyl-​3-​propyl-7H-​pyrazolo[4,​3-​d]​pyrimidine-​7-​thione 5-​[2-​Ethoxy-​5-​[(4-​methyl-​1-​piperazinyl)​thioxomethyl]​phenyl]​-​1,​6-​dihydro-​1-​methyl-​3-​propyl-7H-​pyrazolo[4,​3-​d]​pyrimidine-​7-​thione 杂质-对照品 (2家)
153773-82-1 Ertapenem Sodium (4R,5S,6S)-3-[[(3S,5S)-5-[[(3-Carboxyphenyl)amino]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid Sodium Salt Ertapenem Sodium (4R,5S,6S)-3-[[(3S,5S)-5-[[(3-Carboxyphenyl)amino]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid Sodium Salt 杂质-对照品 (2家)
104933-99-5 Gestodene EP Impurity J 13-Ethylspiro(18,19-dinor-17α-pregna-5,15-dien-20-yne-3,2′-[1,3]dioxolan)-17-ol and-13-ethylspiro(18,19-dinor-17α-pregna-5(10),15-dien-20-yne-3,2′-[1,3]dioxolan)-17-ol Gestodene EP Impurity J 13-Ethylspiro(18,19-dinor-17α-pregna-5,15-dien-20-yne-3,2′-[1,3]dioxolan)-17-ol and-13-ethylspiro(18,19-dinor-17α-pregna-5(10),15-dien-20-yne-3,2′-[1,3]dioxolan)-17-ol 杂质-对照品 (1家)
204074-53-3 (5S,15S)-5,15-Bis[(tert-butyloxy)carbonyl]-10-[(5S)-6-(tert-butyloxy)-6-oxo-5-[[(benzyloxy)carbonyl]amino]hexyl]-8,12-dihydroxy-3-oxo-1-phenyl-2-oxa-4,10,16-triazaheptadecan-17-oic Acid Benzyl Ester (5S,15S)-5,15-Bis[(tert-butyloxy)carbonyl]-10-[(5S)-6-(tert-butyloxy)-6-oxo-5-[[(benzyloxy)carbonyl]amino]hexyl]-8,12-dihydroxy-3-oxo-1-phenyl-2-oxa-4,10,16-triazaheptadecan-17-oic Acid Benzyl Ester 杂质-对照品 (1家)
943250-66-6 (αS)-3-[2-(2,6-Dimethylphenoxy)acetyl]-N-[(1S,3S,4S)-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]tetrahydro-α-(1-methylethyl)-2-oxo-1(2H)-pyrimidineacetamide (αS)-3-[2-(2,6-Dimethylphenoxy)acetyl]-N-[(1S,3S,4S)-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]tetrahydro-α-(1-methylethyl)-2-oxo-1(2H)-pyrimidineacetamide 杂质-对照品 (1家)
799268-58-9 1-硬脂酰-2-花生四烯酰磷脂酰-(3,5-二磷酸肌醇)(铵盐) 1-stearoyl-2-arachidonoyl-sn-glycero-3-phospho-(1'-myo-inositol-3',5'-bisphosphate) (ammonium salt) 简写： 18:0-20:4 PI(3,5)P2 1-stearoyl-2-arachidonoyl-sn-glycero-3-phospho-(1'-myo-inositol-3',5'-bisphosphate) (ammonium salt) 杂质-对照品 (1家)
799268-59-0 1-硬脂酰-2-花生四烯酰磷脂酰-(4,5-二磷酸肌醇)(铵盐) 1-stearoyl-2-arachidonoyl-sn-glycero-3-phospho-(1'-myo-inositol-4',5'-bisphosphate) (ammonium salt) 简写： 18:0-20:4 PI(4,5)P2 1-stearoyl-2-arachidonoyl-sn-glycero-3-phospho-(1'-myo-inositol-4',5'-bisphosphate) (ammonium salt) 杂质-对照品 (1家)
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