10099-72-6 2-Butenedioic acid, mono(2-(2-hydroxyethoxy)ethyl) ester Diethylene glycol, mono(hydrogen maleate) MALEIC ACID, MONO(2-(2-HYDROXYETHOXY)ETHYL) ESTER Maleic acid, mono(hydroxyethoxyethyl) ester Mono-2-(2-hydroxyethoxy)ethylester kyseliny maleinove [Czech]