2-Amino-3-chloropyridine

2-Amino-5-bromo-3-iodopyridine

2-氨基-5-溴-3-碘吡啶

2-Aminopyrimidine-5-carboxaldehyde

2-Chloro-ε-caprolactone

α-Chloro-ε-caprolactone

2-Fluoro-4-(trifluoromethyl)pyridine

2-氟-4-三氟甲基吡啶

2-Iodobenzaldehyde

2-碘苯甲醛

2-Naphthyl isocyanide

2-萘基异氰

2,2-difluoroethylamine hydrochloride

2,2-二氟乙胺盐酸盐

2,3,4-Trifluorotoluene

2,3,4-三氟甲苯

2,4-Bis(trifluoromethyl)phenylboronic acid

2,4-双(三氟甲基)苯硼酸

2,5-Dibromopyrazine

2,8-Diethyl-1,3,5,7-tetramethyl-9-phenylbipyrromethene difluoroborate

3-(2-Iodophenyl)propionic acid

3-(Difluoromethyl)pyridine

3-（二氟甲基）吡啶

3-Aminobiphenyl

3-氨基联苯