2-甲基苯甲醛

diacenaphtho[1,2-b,1',2'-e]pyrazine

6-苯基-4(3H)-喹唑啉酮

1H-pyrido[2,3]furo[2,4-d]pyrimidin-4-one

3,7-二氢-6-甲基-2H-嘌呤-2-酮