(+/-)-(2E,6E)-7-(3',3'-dimethyl-4',4'-ethylenedioxy-2'-oxacyclopentyl)-3,7-dimethyl-2,6-heptadienyl bromide

4,5-dihydro-5-[(1E,5E)-7-hydroxy-1,5-dimethyl-1,5-heptadienyl]-2,2-dimethyl-3(2H)-furanone

3-羟基-3-甲基-2-丁酮

(+/-)-methyl (E)-7-(6,6-dimethyl-1,4,7-trioxaspiro<4.4>non-8-yl)-3-oxo-6-octenoate