ethyl 4-chloro-7-methyl-1,8-naphthyridine-3-carboxylate

2,3,5-三甲基咪唑并[1,2-a]吡啶

3-((6-methylpyridin-2-yl)amino)butan-2-one

3-硝基-5-甲基咪唑并[1,2-a]吡啶

6-氯-5-硝基-2-吡啶羧酸