2-diazonio-1-(3-methoxycarbonylpyridin-2-yl)ethenolate

8-氯-5-苯基-吡啶并[2,3-d]吡嗪

2-chloropyrido[3,2-d]pyrimidine

2-乙酰氨基-5-溴-6-甲基吡啶

8-羟基-1,6-萘啶-7-羧酸乙酯