4-(4-氨基苯)丁酸甲酯, Methyl 4-(4-aminophenyl)butanoate

5-硼呋喃-2-羧酸, 5-Boronofuran-2-carboxylic acid

5-溴-2-氯-1-氟-3-甲氧基苯, 5-Bromo-2-chloro-1-fluoro-3-methoxybenzene

2,3-萘二羧酸, Naphthalene-2,3-dicarboxylic acid

3-溴-4-(叔丁基)苯胺, 3-Bromo-4-(tert-butyl)aniline

5-甲氧基-2-甲基-1H-吲哚-3-甲醛, 5-Methoxy-2-methyl-1H-indole-3-carbaldehyde

N-(5-碘-2-氧代-1,2-二氢-嘧啶-4-基)-苯甲酰胺, N-(5-iodo-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide

5-氨基-1H-吡唑-3-羧酸乙酯, Ethyl 5-amino-1H-pyrazole-3-carboxylate

5,6-二氨基-3-甲基-2-(甲硫基)嘧啶-4(3H)-酮, 5,6-Diamino-3-methyl-2-(methylthio)pyrimidin-4(3H)-one

厄洛替尼杂质, Erlotinib impurity A