2-Butenedioic acid (2Z)-, 1-methyl ester
Maleic acid, monomethyl ester
2-Butenedioic acid (Z)-, monomethyl ester
Maleic acid, methyl ester
2-Butenedioic acid (2Z)-, monomethyl ester
Methyl hydrogen maleate
Monomethyl maleate
Hydrogen methyl maleate
Monomethyl (Z)-2-butenedioate
Monomethyl (2Z)-2-butenedioate
Methyl hydrogen (2Z)-2-butendioate
(Z)-4-Methoxy-4-oxobut-2-enoic acid
(Z)-4-Methoxy-4-oxobut-2-enoic acid