(+)-(1S,4R,4aS,7S,8aR)-1,2,3,4,4a,7,8,8a-octahydro-4,4a-methano-7-methyl-8-(2-((2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl)-1-naphthyl (S)-2-methylbutanoate
(+)-(1s,4r,4as,7s,8ar)-1,2,3,4,4a,7,8,8a-octahydro-4,4a-methano-7-methyl-8-(2-((2r,4r)-tetrahydro-4-hydroxy-6-oxo-2h-pyran-2-yl)ethyl)-1-naphthyl (s)-2-methylbutanoate