[5-(4-Methoxy-benzyloxy)-4,4-dimethyl-hept-6-en-1-ynyl]-trimethyl-silane

(6R,6aS)-6-Benzyloxy-5,5-dimethyl-3-trimethylsilanyl-4,5,6,6a-tetrahydro-1H-pentalen-2-one

(5-Benzyloxy-4,4-dimethyl-hept-6-en-1-ynyl)-trimethyl-silane

(1R,3aR,5aS,6R,8aR)-6-(4-Methoxy-benzyloxy)-1,7,7-trimethyl-octahydro-cyclopenta[c]pentalen-4-one