2-Amino-3,5-dibromopyrazine

2-氨基-3,5-二溴吡嗪

2-Amino-5-bromopyrimidine

2-氨基-5-溴嘧啶

2-Benzyloxy-trans-β-nitrostyrene

2-苄氧基-反式-β-硝基苯乙烯

2-Bromo-3-methylbenzonitrile

2-溴-3-甲基苯甲腈

2-Bromo-5′-chloro-2′-hydroxyacetophenone

2-溴-5′-氯-2′-羟基苯乙酮

2-Bromo-6-methylaniline

2-溴-6-甲基苯胺

2-Bromopyridine-3-boronic acid MIDA ester

2-Chloro-1,4-dimethylbenzene

2-氯对二甲苯

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-2-propyl Dodecyl Trithiocarbonate

2-氰基-2-丙基十二烷基三硫代碳酸酯