CAS:110-16-7 Molekylær formel:C4H4O4 Molekylvægt:116,07 EINECS:203-742-5 Synonymer:(z)-butendioicaci; 1,2-ethylendicarboxylsyre, (Z); 1,2-ethylendicarboxylsyre,(z); 2-butendisyre(Z)-; acidemaleique; Butendisyre,(Z)-; cis-ethylen-1,2-dicar-boxylsyre; Kyselina maleinova