2-(Fmoc-amino)ethanol

2-(N-芴甲氧羰基氨基)乙醇

2-(Trimethylsilyl)benzothiazole

2-(三甲基硅基)苯并噻唑

2-Amino-4-phenylphenol

3-氨基-4-羟基联苯

2-Aminomethyl-15-crown-5

2-氨基甲基-15-冠-5

2-Bromo-3-hexylthiophene

2-溴-3-己基噻吩

2-Bromo-5-(trifluoromethyl)aniline

2-溴-5-(三氟甲基)苯胺

2-Bromobenzophenone

2-溴苯甲酮

2-Butyl-4-chloro-5-(hydroxymethyl)imidazole

2-丁基-4-氯-5-(羟甲基)咪唑

2-Chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane

2-氯-4,4,5,5-四甲基-1,3,2-二氧磷杂环戊烷

2-Cyano-6-methoxybenzothiazole

2-氰基-6-甲氧基苯并噻唑

2-Fluoro-5-iodopyridine

2-氟-5-碘吡啶

2-Hydroxy-5-methylbenzaldehyde

5-甲基水杨醛

2-Methoxycarbonylphenylboronic acid

2-甲氧羰基苯硼酸

2-Methylglutaronitrile

2-甲基戊二腈

2-O-(2-Acetamido-2-deoxy-β-D-glucopyranosyl)-D-mannose

β-D-GlcNAc-(1→2)-D-Man