2-Chloro-4-nitropyridine

2-氯-4-硝基吡啶

2-Chlorophenyl methyl sulfone

2-氯苯基甲基砜

2-Ethynyl-6-methoxynaphthalene

2-乙炔基-6-甲氧基萘

2-Fluoro-6-iodobenzoyl chloride

2-氟-6-碘苯甲酰氯

2-Hydroxy-3-methylbutyric acid

2-羟基-3-甲基丁酸

2-Methoxy-4-nitrobenzaldehyde

2-甲氧基-4-硝基苯甲醛

2-Methyl-1-naphthaldehyde

2-甲基-1-萘醛

2-Morpholinopyridine-3-boronic acid

2-吗啉基吡啶-3-硼酸

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

β-D-GlcNAc-(1→2)-D-Man

2,2′-(o-Phenylenedioxy)diethanol

O,O-双(2-羟基乙氧基)苯

2,2′-Dipyridyl N-oxide

2,2'-联吡啶 N -氧化物

2,2,2-Trifluoro-2′,4′-dimethoxyacetophenone

2,2,2-三氟-2′,4′-二甲氧基苯乙酮

2,2,6,6-Tetramethyl-1,2,3,6-tetrahydro-4-pyridineboronic acid pinacol ester

2,2,6,6-四甲基-1,2,3,6-四氢-4-吡啶硼酸频哪醇酯

2,3-Difluorobenzyl Bromide

α-溴-2,3-二氟甲苯

2,3,4,5-Tetrafluorobenzoyl Chloride

2,3,4,5-四氟苯甲酰氯