2-Butenoic acid, 2-methyl-, methyl ester, (2E)- 2-Butenoic acid, 2-methyl-, methyl ester, (E)- 2-Carbomethoxy-2-butene, (E)- 4-02-00-01553 (Beilstein Handbook Reference) 6622-76-0 AI3-35988 BRN 1720455 Crotonic acid, 2-methyl-, methyl ester, (E)- Crotonic acid, 2-methyl-, methyl ester, (E)- (8CI) EINECS 229-575-8 METHYLTIGLATE Methyl (E)-2-methylcrotonate Methyl 2-methylcrotonate Methyl alpha-methylcrotonate Methyl tiglate Methyl trans-2-methyl-2-butenoate Methyl trans-2-methylcrotonate NSC 55277 Tiglic acid, methyl ester (6CI,7CI)