螺哌啶-4,3’-3H吡咯并[2,3-b]吡啶-2’(1’H)-酮

5-溴-2-氯-3-吡啶羰酰氯

[2-(methylamino)pyridin-3-yl]-phenylmethanone

3-butyl-4-hydroxy-1-(4-methylsulfanylphenyl)-1,8-naphthyridin-2-one

3-butyl-4-hydroxy-1-(3-methylsulfanylphenyl)-1,8-naphthyridin-2-one