6(R)-(2-(1,2,3,4,6,7,8,8a(R)-Octahydro-2(R),6(R)-dimethyl-8(S)-((2(S)-methylbutyryl)oxy)-3(S),4(R)-dihydroxy-1(S)-naphthyl)ethyl)-3,4,5,6-tetrahydro-4(R)-((tert-butyldimethylsilyl)oxy)-2H-pyran-2-one

(1S,2S,4aR,8aR)-2-Methyl-8-oxo-1,2,4a,5,8,8a-hexahydro-naphthalene-1-carboxylic acid methyl ester

methyl (1R,2R,4aS,6R,8aR)-2,6-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carboxylate

(3aS,4S,7R,7aR)-4-methyl-7-(3-(phenylsulfinyl)propyl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione

(1R,2S,4aR,6S,8S,8aS)-1-carboxy-2,6-dimethoxy-8-hydroxy-1,2,4a,5,6,7,8,8a-octahydronaphthalene 1,8 lactone