2-Bromo-3-chloropyridine

2-溴-3-氯吡啶

2-Bromo-5-(trifluoromethyl)aniline

2-溴-5-(三氟甲基)苯胺

2-Bromomethyl-1,4-benzodioxane

2-溴甲基-1,4-苯并二噁烷

2-Chloro-3-pyridinecarboxaldehyde

2-氯-3-吡啶甲醛

2-Cyano-2-propyl 4-cyanobenzodithioate

2-氰基-2-丙基-4-氰基苯二硫代碳酸酯

2-Fluoro-5-(trifluoromethyl)phenol

2-氟-5-(三氟甲基)苯酚

2-Hydroxybutyric acid sodium salt

2-羟基丁酸 钠盐

2-Methoxyphenylmagnesium bromide solution

2-甲氧苯基溴化镁 溶液

2-Nitro-4-(trifluoromethyl)benzonitrile

2-硝基-4-(三氟甲基)苯甲腈

2,2′-(o-Phenylenedioxy)diethanol

O,O-双(2-羟基乙氧基)苯