603-23-6
3-苯基-2,4(1H,3H)-喹唑啉二酮
→
~83%
727-62-8
2-氯-3-苯基喹唑啉-4(3H-)-酮
18741-24-7
3-苯基-2-硫代-2,3-二氢-4(1H)-喹唑啉酮
~20%
731-52-2
2-hydrazinyl-3-phenylquinazolin-4-one