Methanesulfonic acid (1S,3S,3aR,4R,4aS,8aR,9aS)-3-ethyl-1-methoxy-dodecahydro-naphtho[2,3-c]furan-4-ylmethyl ester

(3S,3aS,4R,4aS,8aR,9aS)-decahydro-4-hydroxy-3-ethylnaphtho[2,3-c]furan-1(3H)-one

(1S,3S,3aS,4R,4aS,8aR,9aS)-3-ethyl-dodecahydro-1-methoxynaphtho[2,3-c]furan-4-ol

2(5H)-Furanone, 5-ethyl-, (5S)-

(3S,3aS,4R,4aS,8aS)-3-ethyl-4-hydroxy-3a,4,4a,5,6,7,8,8a-octahydronaphtho[2,3-c]furan-1(3H)-one