5-溴咪唑并[1,2-a]吡嗪-2-羧酸乙酯, Ethyl 5-bromoimidazo[1,2-a]pyrazine-2-carboxylate

2-氯-7H-吡咯并[2,3-d]嘧啶-5-羧酸甲酯, Methyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate

2-氮杂双环[2.2.2]辛-3-酮, 2-Azabicyclo[2.2.2]octan-3-one

2-(2-溴苯基)噁唑, 2-(2-Bromophenyl)oxazole

N-((2S,3R,4R,5S,6R)-2-(苄氧基)-4,5-二羟基-6-(羟甲基)四氢-2H-吡喃-3-基)乙酰胺, N-((2S,3R,4R,5S,6R)-2-(Benzyloxy)-4,5-dihydroxy-6-(hydroxyme

1-(3,3-二氟-4-碘二氢吲哚-1-基)乙-1-酮, 1-(3,3-Difluoro-4-iodoindolin-1-yl)ethan-1-one

3,5-二氟吡啶甲醛, 3,5-Difluoropicolinaldehyde

头孢克肟杂质E, Cefixime EP Impurity E

特布他林杂质B, Terbutaline EP Impurity B Hemisulphate

(2R,4R)-1-(叔丁氧基羰基)-4-甲基吡咯烷-2-羧酸, (2R,4R)-1-(tert-Butoxycarbonyl)-4-methylpyrrolidine-2-carbox