2-氨基-3-乙酰基吡啶

1-benzyl-4-methyl-1,8-naphthyridin-(1H)2-one-3-carboxylic acid

[3-(2,2-dichloro-1-methylvinyl)-pyridin-2-yl]-carbamic acid tert-butyl ester

ethyl 1-benzyl-4-methyl-1,8-naphthyridin-(1H)2-one-3-carboxylate