1,3-Bis(methoxymethyl)urea
N-Butylurea
Carbanilide
1,3-Diethylurea
1,1-Dimethylurea
1,3-Dimethylurea
Ethyleneurea
(Hydroxymethyl)urea
2-Methyl-2-thiopseudourea sulfate
Methylurea
sec-Butylurea
Selenourea
Tetramethylurea