2-(4-溴苯基亚氨基)乙酸-(E)-乙酯

3-氧代-3,4-二氢-喹噁啉-6-甲腈

2-氧代-1,2-二氢喹噁啉-6-甲腈

6-甲氧基吡啶并[2,3-b]吡嗪-3(4h)-酮

semicarbazono-acetic acid ethyl ester