8-甲氧基-4-氧代-1,4-二氢-1,5-萘啶-3-羧酸乙酯

5-methyl-4,8-dioxo-1,4,5,8-tetrahydro-[1,5]naphthyridine-3-carboxylic acid ethyl ester

4-(环丙基甲基氨基)-3-硝基吡啶

2-溴-n-乙基-5-硝基-4-吡啶胺

N-[2-(4-fluorophenyl)ethyl]-3-nitropyridin-4-amine