(1S,3aS,7aS)-7a-Methyl-2,3,3a,4,7,7a-hexahydro-1H-inden-1-ol

2-[1-Hydroxy-meth-(Z)-ylidene]-2,3,4,7-tetrahydro-3a,7a-etheno-inden-1-one

tert-Butyl-dimethyl-((1R,3aR,7aR)-7a-methyl-2,3,3a,4,7,7a-hexahydro-1H-inden-1-yloxy)-silane