(3S,3aR,5S,6S,7S,8S,8aR,9S)-3-((tert-butyldimethylsilyl)oxy)-6-hydroxy-5-(2-hydroxyethyl)-8-methyloctahydro-1H-3a,7-methanoazulen-9-yl benzoate

(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