SEARCH Articles Figures Tables 2-bromoethyl ester 3- -5-hexenoates 3-methyl-2-hexenoic acid 4-Hexenoic acid, 2-acetyl-2-methyl-6-bromoethyl ester Acetyl esters Ester acetylation Hexenoic acid Hexenoic esters Methyl 3-hexenoate