2-Butenoic acid, 2-methyl-, 3,7-dimethyl-6-octenyl ester, (2E)- 2-Butenoic acid, 2-methyl-, 3,7-dimethyl-6-octenyl ester, (E)- 24717-85-9 3,7-Dimethyl-6-octenyl 2-methylcrotonate Citronellyl tiglate Citronellyl trans-2-methyl-2-butenoate EINECS 246-426-2