| Synonym | Ectylurea, Urea, (2-ethylcrotonoyl)-, (Z)-, (a-Ethyl-cis-crotonyl)carbamide, (2-Ethyl-cis-crotonyl)urea, Ectylcarbamide, Levanil, Nastyn, Nostyn, cis-(2-Ethylcrotonyl) urea, Actine, Astyn, A18285, Cronil, Crotural, Disteol, Distessol, Ectida, Ectilurea, Ecton, Ectyda, Ectyn, Ektyl, Ektylcarbamid, Euplacid, Levil, MA-110, Neocrosedin, Nestyn, Neuroprocin, Nostal, Nostin, Pacetyn, Sedarex, Tranzer, U 8771, Urea, (2-ethylcrotonoyl)-, cis-, (Z)-N-(Aminocarbonyl)-2-ethyl-2-butenamide, (a-Ethylcrotonyl)urea, (Z)-, N-[(2Z)-2-Ethyl-2-butenoyl]urea, 2-Ethylcrotonylurea, (Z)-, ectylurea, 2-Ethylcrotonylurea, (Z)-N-(Aminocarbonyl)-2-ethyl-2-butenamide, Levanil, (.alpha.-Ethyl-cis-crotonyl)carbamide, (2-Ethyl-cis-crotonyl)urea, 2-Butenamide, N-(aminocarbonyl)-2-ethyl-, (Z)-, 2-Ethyl-cis-crotonylurea |