小中大缬沙坦杂质:A、B、C
USP Valsartan Related Compound A:
(R-N-valeryl-N-([2-(1H-tetrazole-5-yl)biphen-4-yl]methyl)valine
(R-N-戊酰基-N-([2-(1H-四氮唑-5-基)联苯-4-基]甲基)缬氨酸
缬沙坦杂质A(缬沙坦对映异构体,CGP49309)
USP Valsartan Related Compound B:
(S-N-butyryl-N-([2-(1H-tetrazole-5-yl)biphen-4-yl]methyl)-valine
(S-N-丁酰基-N-([2-(1H-四氮唑-5-基)联苯-4-基]甲基)缬氨酸
缬沙坦杂质B(缬沙坦丁酰基杂质,CGP55390)
USP Valsartan Related Compound C:
(S-N-valeryl-N-([2-(1H-tetrazole-5-yl)biphen-4-yl]methyl)-valine benzyl ester
(S-N-戊酰基-N-([2-(1H-四氮唑-5-基)联苯-4-基]甲基)缬氨酸苄基酯
缬沙坦杂质C(缬沙坦苄基酯杂质,CGP49841)
EP氨氯地平杂质:A、B、D、E、F、G、H
杂质A
3-ethyl-5-methyl-(4RS)-4-(2-chlorophenyl)-2-[[2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl) ethoxy]methyl] -6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
3-乙基-5-甲基-(4RS)-4-(2-氯苯基)-2-[[2-(1,3-二氧代异吲哚啉-2-基)乙氧甲基]-1,4-二氢-6-甲基-3,5-吡啶二羧酸酯
杂质B
R=NHCH3:3-ethyl-5-methyl-(4RS)-4-(2-chlorophenyl)-6-methyl-2-[[2-(methylcarbamoyl)benzoyl]amino]
ethoxy]methyl]-1,4-dihydropyridine-3,5-dicarboxylate
3-乙基-5-甲基-(4RS)-4-(2-氯苯基)-6-甲基-2-[[2-(甲胺羰酰)苯甲酰基]氨基]乙氧甲基]- 1,4-二氢-3,5-吡啶二羧酸酯
杂质H
R=OH:2-[[2-[[(4RS)-4-(2-chlorophenyl)-3-(ethoxycarbamoyl)-5-( methoxycarbamoyl)6-methyl-
1,4-dihydropyridine-2-yl]methoxy) ethyl]carbamoyl]benzoic acid
2-[[2-[[(4RS)-4-(2-氯苯基)-3-(乙氧氨基甲酰基)-5-(甲氧氨基甲酰基)6-甲基-1,4-二氢吡啶-2-基]氨基甲酰]苯甲酸
杂质D
3-ethyl-5-methyl-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methylpyridine-3,5- Dicarboxylate
3-乙基-5-甲基-2-[2-氨乙氧甲基]-4-(2-氯苯基)-6-甲基-3,5-吡啶二羧酸酯