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

2-Methoxyphenylboronic acid MIDA ester

2-甲氧基苯硼酸甲基亚氨基二乙酸酯

2-Nitro-1-naphthol

2-硝基-1-萘酚

2-Thiopheneethylamine

2-噻吩乙胺