Maleic acid,methyl, cis-methylbutenedioic acid, (Z)-2-methyl-2-butenedioic acid, 2-Butenedioic acid, 2-methyl-, (Z)-, Kyselina citrakonova, cis-2-methylbutenedioic acid, 2-methyl-2-butenedioic acid, 2-Methylmaleic acid, methyl-maleicaci, Citraconicacid, Citraconic Acid, Methylmaleic Acid, Citraconic