[(E)-[(1E)-1-(carbamoylhydrazinylidene)propan-2-ylidene]amino]urea

(1,3-dichloropropan-2-ylideneamino)urea

3,5-二甲基-1,2,4-三唑

(phenylcarbamothioylamino)urea

[(Z)-1,2-diphenylethylideneamino]urea