5,5'-二甲基-[1,1'-联苯]-2,2'-二甲酸

3-methyl-7,8,9,10-tetrahydro-6H-azepino[2,1-b]quinazolin-12-one

7-甲基喹唑啉-2,4(1H,3H)-二酮

3,6-dimethylfluoren-9-one