2-氯-4-羟基吡啶

ethyl 5-chloro-4-oxo-1H-1,6-naphthyridine-3-carboxylate

4-氯-2-甲基-1H-吡咯并[3,2-c]吡啶

2-氯-4-异氰酰基-吡啶

7-chloro-1-(2,6-dichlorophenyl)-5-(2,4-difluorophenyl)-1,6-naphthyridin-2-one