2-(Fmoc-amino)ethanol

2-(N-芴甲氧羰基氨基)乙醇

2-(Triphenylphosphoranylidene)propionaldehyde

2-(三苯基正膦基)丙醛

2-Amino-5-bromo-4,6-dimethylpyridine

2-氨基-5-溴-4,6-二甲基吡啶

2-Bromo-3′-hydroxyacetophenone

2-溴-3′-羟基苯乙酮

2-Bromo-5′-chloro-2′-hydroxyacetophenone

2-溴-5′-氯-2′-羟基苯乙酮

2-Bromobiphenyl-2′-boronic acid MIDA ester

2-Chloro-2,2-difluoroacetophenone

2-氯-2,2-二氟苯乙酮

2-Chlorophenyl methyl sulfone

2-氯苯基甲基砜

2-Fluoro-4-(trifluoromethyl)pyridine-3-carboxylic acid

2-氟-4-(三氟甲基)烟酸

2-Hydroxy-5-methylbenzaldehyde

5-甲基水杨醛