(2R,3S,5R)-5-(4-苯甲酰氨基-2-氧代嘧啶-1(2H)-基)-2-((苯甲酰氧基)甲基)-4-亚甲基四氢呋喃-3-基苯甲酸酯, Sofosbuvir Impurity 4

α-异丙基对氯苯基乙酸, (RS)-Fenvaleric acid

6-溴-4(1H)-噌啉酮, 6-Bromo-4(1H)-cinnolinone

N-[3-(氨基甲基)苯基]乙酰胺, N-[3-(Aminomethyl)phenyl]acetamide

3-甲氧基-4-(4-(4-甲基哌嗪-1-基)哌啶-1-基)苯胺, 3-Methoxy-4-[4-(4-methylpiperazin-1-yl)piperidin-1-yl]anilin

3-甲基吡嗪-2-羧酸甲酯, Methyl 3-methylpyrazine-2-carboxylate

2-甲基噁唑并[4,5-b]吡啶, 2-Methyloxazolo[4,5-b]pyridine

1-(2-氰基乙基)吡咯烷-2-羧酸, 1-(2-Cyanoethyl)pyrrolidine-2-carboxylic acid

5-氟嘧啶-2-羧酸甲酯, Methyl 5-fluoropyrimidine-2-carboxylate

1-甲基-1H-吡唑-5-甲酸甲酯, Methyl 1-methyl-1H-pyrazole-5-carboxylate