2-溴-5-碘苯甲酸, 2-Bromo-5-iodobenzoic acid

2-Butoxy-5-methylphenylboronic acid

2-丁氧基-5-甲基苯基硼酸

2-Chloro-6-fluorobenzyl Bromide

2-氯-6-氟溴苄

11-Mercapto-1-undecanol

11-巯基-1-十一醇

2′-Dicyclohexylphosphino-2,4,6-trimethoxybiphenyl

Dicyclohexyl(2′,4′,6′-trimethoxy[1,1′-biphenyl]-2-yl)-phosphine

2-Naphthyl methacrylate

甲丙烯酰酸-2-萘酯

2-Thienyl-N,N-bis(2-thienylmethylene)methanediamine

2-噻吩基-N,N-双(2-噻吩亚甲基)甲烷二氨

2,2-Difluoroacetophenone

α,α-Difluoroacetophenone

2,3-Dibromopyridine

2,3-二溴吡啶

2,3,4,6-Tetra-O-acetyl-D-mannopyranose