2-Aminomethyl-15-crown-5

2-氨基甲基-15-冠-5

2-Bromo-3-chloropyridine

2-溴-3-氯吡啶

2-Bromo-4-nitrophenol

2-溴-4-硝基苯酚

2-Bromo-5-methoxybenzaldehyde

2-溴-5-甲氧基苯甲醛

2-Bromobiphenyl-2′-boronic acid MIDA ester

2-Butoxyethyl Acetate

乙酸-2-丁氧基乙酯

2-Chloro-4-fluorobenzenesulfonyl chloride

2-氯-4-氟苯磺酰氯

2-Chloro-6-methoxyphenylboronic acid

2-氯-6-甲氧基苯硼酸

2-Ethyl-2-phenylmalonamide monohydrate

2-乙基-2-苯基丙二酰胺 一水合物

2-Fluoro-5-iodopyridine

2-氟-5-碘吡啶

2-Hydroxy-3-methylbenzaldehyde

3-甲基水杨醛

2-Methoxy-3-pyridinylboronic acid

2-甲氧基吡啶基-3-硼酸

2-Methoxyphenylmagnesium bromide solution

2-甲氧苯基溴化镁 溶液

2-Methyloxazole-4-carboxaldehyde

2-甲基噁唑-4-甲醛

2-Nitrophenylboronic acid

2-硝基苯硼酸