Butanoic acid, 2,2-dimethyl-, 1,2,3,7,8,8a-hexahydro-3-(hydroxymethyl)-7-methyl-8-(2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl)-1-naphthalenyl ester, (1S-(1alpha,3beta,7beta,8beta(2S*,4S*),8abeta))-