Synonyms: Ethyl hydrogen maleate;Monoethyl maleate;2-Butenedioic acid (Z)-, monoethyl ester;Maleic acid, monoethyl ester;EINECS 223-635-7;NSC 11206;NSC 525207;2-Butenedioic acid (Z), monoethyl ester;2-Butenedioic acid (2Z)-, monoethyl ester;3990-03-2;AC1NS5NC;Maleic Acid Monoethyl Ester;NSC11206;EINECS 273-500-1;Maleic acid, monoethyl ester (8CI);NSC-11206;NSC524101;NSC525207;(Z)-4-ethoxy-4-oxobut-2-enoic acid;NSC-524101;NSC-525207;LS-47019;2-Butenedioic acid (E)-, monoethyl ester;2-Butenedioic acid (2Z)-, 1-ethyl ester;M0614;Maleic acid, (C16-C18) alkyl alcohol monoester;2-Butenedioic acid (Z)-, mono-C16-18-alkyl esters;2-Butenedioic acid (2Z)-, mono-C12-13-alkyl esters;2-Butenedioic acid (2Z)-, mono-C16-18-alkyl esters;144472-88-8;68987-59-7;69278-94-0