N,N′-Diethylurea623-76-7100 % similar N,N′-Diethylthiourea105-55-550 % similar 2-Imidazolidinone120-93-442 % similar Ethylacetamide625-50-341 % similar Ethylurea625-52-541 % similar Dibutylurea1792-17-241 % similar Tetrahydro-2(1H)-pyrimidinone1852-17-139 % similar Bis(hydroxymethyl)urea140-95-437 % similar 1,3-Bis[3-(dimethylamino)propyl]urea52338-87-133 % similar N1,N2-Diethylethanediamide615-84-933 % similar N,N′-Di-2-propen-1-ylurea1801-72-532 % similar Ethylthiourea625-53-630 % similar