2-anilino-3,1-benzoxazin-4-one

1,2-diphenyldiazene

2-苯基-1,2-二氢-3H-吲唑-3-酮

3-苯基-2-硫代-2,3-二氢-4(1H)-喹唑啉酮

3-butyl-3-hydroxyquinoline-2,4(1H,3H)-dione