兰索拉唑系列杂质对照品 兰索拉唑杂质对照品A2-[(RS)-[[3-Methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]-sulphinyl]-1H-benzimidazole(Lansoprazole N-Oxide) 兰索拉唑杂质对照品B2-[[[3-Methyl-4-(2,2,2-trifluoro-ethoxy)pyridin-2-yl]methyl]sulphonyl]-1H-benzimidazole(Lansoprazole Sulphone) 兰索拉唑杂质对照品C 2-[[[3-Methyl-4-(2,2,2-trifluoro-ethoxy)pyridin-2-yl]methyl]sulphanyl]-1H-benzimidazole 兰索拉唑杂质对照品D 1H-Benzimidazol-2-ol 兰索拉唑杂质对照品E 1H-Benzimidazole-2-thiol 兰索拉唑杂质对照品F 2-[(RS)-[(4-Chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole 兰索拉唑枫氮氧化物 Lansoprazole Sulphone N-Oxide