2-(Trifluoroacetyl)pyrrole

2-(三氟乙酰基)吡咯

2-(Triphenylphosphoranylidene)propionaldehyde

2-(三苯基正膦基)丙醛

2-Amino-4-phenylphenol

3-氨基-4-羟基联苯

2-Amino-6-bromopurine

2-氨基-6-溴嘌呤

2-Bromo-3′-fluoroacetophenone

2-溴-3′-氟苯乙酮

2-Bromo-4-(trifluoromethoxy)aniline

2-溴-4-(三氟甲氧基)苯胺

2-Bromo-5-(trifluoromethyl)pyridine

2-溴-5-(三氟甲基)吡啶

2-Bromoallyl Alcohol

2-溴-2-丙烯-1-醇

2-Bromopyrimidine

2-溴嘧啶

2-Chloro-3-pyridinecarboxaldehyde

2-氯-3-吡啶甲醛