1,3-Hexanedione, 5-methyl-1-(3-methyl-3-cyclohexen-1-yl)- 5-Methyl-1-(3-methyl-3-cyclohexenyl)-1,3-hexanedione 5-Methyl-1-(3-methylcyclohex-3-enyl)hexane-1,3-dione 72928-14-4 EINECS 277-053-3