Toluene-4-sulfonic acid (3S,3aR,4R,4aS,8aR,9aS)-3-methyl-1-oxo-dodecahydro-naphtho[2,3-c]furan-4-ylmethyl ester
(3S,3aS,4R,4aS,8aR,9aS)-3-Methyl-4-phenylsulfanylmethyl-decahydro-naphtho[2,3-c]furan-1-one
(3S,3aR,4R,4aS,8aS)-3-Methyl-1-oxo-1,3,3a,4,4a,5,6,7,8,8a-decahydro-naphtho[2,3-c]furan-4-carbothioic acid S-ethyl ester
(3S,3aR,4R,4aS,8aR,9aS)-4-Hydroxymethyl-3-methyl-decahydro-naphtho[2,3-c]furan-1-one
(1R,3S,3aS,4R,4aS,8aR,9aS)-1-Methoxy-3-methyl-4-phenylsulfanylmethyl-dodecahydro-naphtho[2,3-c]furan