1-苯基咪唑

5-benzylidene-3-phenyl-2-sulfanylideneimidazolidin-4-one

5-amino-1-oxo-2,7-diphenyl-3-thioxo-2,3,7,7a-tetrahydro-1H-pyrrolo[1,2-c]imidazole-6-carbonitrile

3-苯基-2-氧代己内酰脲

1-苯基咪唑啉-2,4,5-三酮