86398-92-7 N-(2-(Diethylamino)-3-propoxypropyl)-N'-(4-fluorophenyl)-N-phenylurea (E)-2-butenedioate Urea, N-(2-(diethylamino)-3-propoxypropyl)-N'-(4-fluorophenyl)-N-phenyl-, (E)-2-butenedioate