(3R,3aS,6S,7R,8R,8aS,9R)-3-(tert-Butyl-dimethyl-silanyloxy)-8-methyl-2,3,6,7,8,8a-hexahydro-1H-3a,7-methano-azulene-6,9-diol

(3R,3aS,7S,8R,8aS,9R)-3-(tert-Butyl-dimethyl-silanyloxy)-9-hydroxy-8-methyl-octahydro-3a,7-methano-azulen-6-one

(Z)-tert-butyl((1-(2-methoxyphenyl)hex-4-en-1-yl)oxy)dimethylsilane

(3R,3aS,7S,8R,8aS,9R)-3-((tert-butyldimethylsilyl)oxy)-9-hydroxy-8-methyl-1,2,3,7,8,8a-hexahydro-6H-3a,7-methanoazulen-6-one

(3R,3aR,6S,7R,8R,8aS)-3-((tert-butyldimethylsilyl)oxy)-6-hydroxy-8-methyl-2,3,6,7,8,8a-hexahydro-1H-3a,7-methanoazulen-9-one