2,2-Dimethyl-3-ketocyclohexyl-p-toluolsulfonat

6-methyl-5-hepten-1-ol

diethyl 2-(4-methylpent-3-en-1-yl)malonate

2-cyclopropyl-6-methyl-hept-5-en-2-ol

2-carboxy-6-methyl-5-heptenoic acid