2-Butenoic acid, 2-methyl-, (2E)-, mixed (2E)-3,7-dimethyl-2,6-octadienyl and 3,7-dimethyl-6-octenyl esters 2-Butenoic acid, 2-methyl-, (E)-, mixed (E)-3,7-dimethyl-2,6-octadienyl and 3,7-dimethyl-6-octenyl esters 73018-41-4 Tiglic acid chloride, reaction product with citronellol and geraniol