(+/-)-6c-isobutyl-3c,4ξ-dimethyl-cyclohexane-1r,2c-dicarboxylic acid-anhydride
(+/-)-4c,5c-bis-hydroxymethyl-1,6c-dimethyl-3r-(2-methyl-propenyl)-cyclohexene
(+/-)-6c-isobutyl-3c,4ξ-dimethyl-cyclohexane-1r,2c-dicarboxylic acid
(+/-)-6c-isobutyl-3t,4ξ-dimethyl-cyclohexane-1r,2c-dicarboxylic acid
(+/-)-3t,4-dimethyl-6c-(2-methyl-propenyl)-cyclohex-4-ene-1r,2c-dicarboxylic acid