3-苯基-2,4(1H,3H)-喹唑啉二酮

1,4-二苯氨脲

1,3,5-triphenyl-1,3,5-triazinane-2,4,6-trione

1,3-二(苯基)-1-(苯基氨基甲酰)脲

1-(methylcarbamoyl)-1,3-diphenylurea