2-Butenoic acid, 2-methyl-, 2-methylpropyl ester, (2Z)-
Crotonic acid, 2-methyl-, isobutyl ester, (Z)-
2-Butenoic acid, 2-methyl-, 2-methylpropyl ester, (Z)-
Angelic acid, isobutyl ester
Isobutyl angelate
Isobutyl cis-2-methyl-2-butenoate
(Z)-Isobutyl 2-methylbut-2-enoate