(N'-(2-Diethylamino)ethyl)-N-(1-methylethyl)-N-(2-(phenylsulfonyl)ethyl)urea butanedioate 96436-73-6 Ahr 10718 Ahr-10718 Urea, N'-(2-(diethylamino)ethyl)-N-(1-methylethyl)-N-(2-(phenylsulfonyl)ethyl)-, (Z)-2-butenedioate