4-[2-[(4aα)-4β-Acetoxy-1-hydroxy-2α,5,5,8aβ-tetramethyldecalin-1β-yl]ethyl]-2(5H)-furanone

4-[2-[(1R,4aα)-Decahydro-4β-acetoxy-1α-hydroxy-2α,5,5,8aβ-tetramethylnaphthalen-1-yl]ethyl]furan-2(5H)-one