N,N-diphenylethanimidamide

1,3-Diphenyl-2,4,6(1H,3H,5H)-pyrimidinetrione

1,1-bis(2-methylpropyl)-3-phenylurea

2,4-diphenyl-5-phenylimino-1,2,4-thiadiazolidin-3-one

1-(4-chlorophenyl)-3-(2,4-dichlorophenyl)urea