(2-Isopropilcrotonil)urea [Italian] 2-Butenamide, N-(aminocarbonyl)-2-(1-methylethyl)- (9CI) 2-Isopropylcrotonylurea 4-03-00-00119 (Beilstein Handbook Reference) 60364-26-3 BRN 1707326 Cenestil N-(Aminocarbonyl)-2-(1-methylethyl)-2-butenamide Urea, 2-isopropylcrotonoyl-