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共有 52386 条记录
1345822-86-7 Sitagliptin EP Impurity C (R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4-difluorophenyl)butan-2-amine Sitagliptin EP Impurity C (R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4-difluorophenyl)butan-2-amine 杂质-对照品 (8家)
89785-84-2 Tazobactam Sodium Sodium (2S, 3S, 5R)-3-methyl-7-oxo-3-(1H -1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate-4,4-dioxide Tazobactam Sodium Sodium (2S, 3S, 5R)-3-methyl-7-oxo-3-(1H -1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate-4,4-dioxide 杂质-对照品 (1家)
103775-06-0 Quinapril EP Impurity G (3R)-2-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Quinapril EP Impurity G (3R)-2-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid 杂质-对照品 (3家)
1217807-30-1 (3S,4aS,8aS)-2-[(2R,3R)-3-[(3-Acetoxy-2-methylbenzoyl)amino]-4-phenythiobutyl]-decahydro-N-(2-hydroxy-1,1-dimethylethyl)-3-isoquinolinecarboxamide (3S,4aS,8aS)-2-[(2R,3R)-3-[(3-Acetoxy-2-methylbenzoyl)amino]-4-phenythiobutyl]-decahydro-N-(2-hydroxy-1,1-dimethylethyl)-3-isoquinolinecarboxamide 杂质-对照品 (1家)
139356-32-4 (1α,3R,4α,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-hydroxy-4-(1H-imidazol-1-ylthioxomethoxy)-cyclohexanecarboxylic Acid Methyl Ester (1α,3R,4α,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-hydroxy-4-(1H-imidazol-1-ylthioxomethoxy)-cyclohexanecarboxylic Acid Methyl Ester 杂质-对照品 (1家)
367952-82-7 (2R,4R)-1-[(2S)-2-[(tert-Butyloxycarbonyl)amino]-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Benzyl Ester (2R,4R)-1-[(2S)-2-[(tert-Butyloxycarbonyl)amino]-5-[[imino(nitroamino)methyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Benzyl Ester 杂质-对照品 (1家)
384833-20-9 1-棕榈酰-2-亚油酰基磷酯酰-L-丝氨酸(钠盐) 1-palmitoyl-2-linoleoyl-sn-glycero-3-phospho-L-serine (sodium salt) 简写： 16:0-18:2 PS 1-palmitoyl-2-linoleoyl-sn-glycero-3-phospho-L-serine (sodium salt) 杂质-对照品 (1家)
111470-99-6 Amlodipine Besylate 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine benzenesulfonate Amlodipine Besylate 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine benzenesulfonate 杂质-对照品 (3家)
1544361-27-4 Benzene, 1,​1'-​[(1R,​2R,​3S,​4S)​-​3,​4-​di-​3-​buten-​1-​yl-​1,​2-​cyclobutanediyl]​bis[4-​methoxy-​, rel- Benzene, 1,​1'-​[(1R,​2R,​3S,​4S)​-​3,​4-​di-​3-​buten-​1-​yl-​1,​2-​cyclobutanediyl]​bis[4-​methoxy-​, rel- 杂质-对照品 (1家)
1246303-09-2 二油酰磷脂酰-(3-磷酸肌醇)(铵盐) 1,2-dioleoyl-sn-glycero-3-phospho-(1'-myo-inositol-3'-phosphate) (ammonium salt) 简写： 18:1 PI(3)P 1,2-dioleoyl-sn-glycero-3-phospho-(1'-myo-inositol-3'-phosphate) (ammonium salt) 杂质-对照品 (1家)
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