2-Bromo-6-(trimethylsilyl)phenyl triflate

2-Bromopyrimidine

2-溴嘧啶

2-Chloro-4-pyridinecarboxaldehyde

2-氯异烟醛

2-Ethoxycarbonylphenylboronic Acid Pinacol Ester

2-乙氧羰基苯硼酸频哪醇酯

2-Fluorophenethyl bromide

2-氟苯乙基溴

2-Methoxy-3-pyridinylboronic acid

2-甲氧基吡啶基-3-硼酸

2-Methyl-3-(trifluoromethyl)aniline

2-甲基-3-(三氟甲基)苯胺

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

β- D -GlcNAc-(1→2)- D -Man

2,2′-Dibromooctafluorobiphenyl

2,2 ′-二溴八氟联苯

2,2,2-Trifluoro-3′-(trifluoromethyl)acetophenone

2,2,2-三氟-3′-(三氟甲基)苯乙酮