4,4-二苯氨基脲

1,3-bis(4-bromophenyl)urea

1-乙基-1,3-二苯基脲

3,3-bis(4-aminophenyl)-1-phenylindol-2-one

5-hydroxyimino-1,3-diphenyl-1,3-diazinane-2,4,6-trione