cis,trans,cis-1,2,4-Trimethylcyclopentan, trans,trans-1,2,4-Trimethyl-cyclopentan, decahydro-2,3-dimethylnaphthalene, Naphthalene,decahydro-2,3-dimethyl, 2,3-Dimethyldecalin, 1t.2c.4-Trimethyl-cyclopentan, trans,trans,trans-Cyclobutan-1,2,3,4-tetracarbonsaeuretetramethylester, trans,trans,cis-3,4-Dimethyl-bicyclo<4.4.0>decan, cis-3,trans-4-Dimethyl-trans-bicyclo<4.4.0>decan, trans,trans,trans-tetramethyl-1,2,3,4-cyclobutanetetracarboxylate, cyclobutane-1r,2t,3c,4t-tetracarboxylic acid tetramethyl ester, all-trans-Cyclobutan-1,2,3,4-tetracarbonsaeure-tetramethylester, trans,trans,trans-3,4-Dimethyl-bicyclo<4.4.0>decan, 1trans,2cis,4ref-Trimethyl-cyclopentan, 1c,2t,4-Trimethyl-cyclopentan, cis,trans,cis-3,4-Dimethyl-bicyclo<4.4.0>decan, 2,3-Dimethyldecahydronaphthalene, cis,cis,trans-3,4-Dimethyl-bicyclo<4.4.0>decan, trans,trans,trans-1,2,3,4-Tetracarbomethoxy-cyclobutan, 1r,2t,4c-Trimethyl-cyclopentan, cis,trans,trans-3,4-Dimethyl-bicyclo<4.4.0>decan