5-甲基-2,2'-联吡啶

2,2'-bipyridine-4-carboxylic acid methyl ester

ethyl 2,2'-bipyridine-5-carboxylate

2-(三甲基甲锡烷基)吡啶

1-[2-氧-2-(2-吡啶基)乙基]碘化吡啶