1,2,3,4-四氢-6-甲基-4-(4-硝基苯基)-2-氧代-5-嘧啶羧酸

diethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

4-[(1,3-二氧代丁基)氨基]苯甲酸

4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylate

1-(2,6-二氟苄基)-6-甲基-2,4(1H,3H)-嘧啶二酮