2-(2-(2-Phenoxyphenyl)ethyl)morpholine (Z)-2-butenedioate (2:1) 2-(beta-(2-Phenoxyphenyl)ethyl)morpholine hydrogen maleate (2:1) 58039-73-9 Morpholine, 2-(2-(2-phenoxyphenyl)ethyl)-, (Z)-2-butenedioate (2:1)