CAS:110-16-7 Fuafua mole:C4H4O4 Molecular Weight:116.07 EINECS:203-742-5 upu uiga tutusa:(z)-butenedioicaci; 1,2-Ethylenedicarboxylic acid, (Z); 1,2-ethylenedicarboxylicacid,(z); 2-Butenedioicacid(Z)-; acidemaleique; Butenedioic acid,(Z)-; cis-Ethylene-1,2-dicar-boxylicacid; Kyselina maleinova