isoprene
(+/-)-cis-4-methyl-cyclohex-4-ene-1,2-dicarboxylic acid
(+/-)-cis-4-methyl-cyclohex-4-ene-1,2-dicarboxylic acid dimethyl ester
dimethyl trans-1-methylcyclohexene-4,5-dicarboxylate
4-methyl-cyclohexene-(4)-dicarboxylic acid-(1.2)
(+/-)-trans-1.2-Bismethansulfonyloxymethyl-4-methyl-cyclohex-4-en
(+/-)-trans-4-methyl-cyclohex-4-ene-1,2-dicarboxylic acid
dimethyl trans-1-methylcyclohexene-4,5-dicarboxylate
trans-4,5-bis(hydroxymethyl)-1-methylcyclohexene