3-甲基-咪唑啉-2,4-二酮

5-(4-溴苯基)-3-甲基-1,2,4-噁二唑

3-benzoyl-2-methyl-6-phenylpyran-4-one

3-(4-溴苯基)-5-甲基-1,2,4-噁二唑

(2E)-3-(Dimethylamino)-1-phenyl-2-buten-1-one