Methyl acetyllithofellate

(1S,4aβ,βR)-6α-(Acetyloxy)decahydro-2β-hydroxy-2,5,5,8aα,β-pentamethyl-1-naphthalenepentanoic acid methyl ester

(R)-3-Methyl-5-[(1S,4aβ)-6α-(acetyloxy)decahydro-2β-hydroxy-2,5,5,8aα-tetramethylnaphthalen-1α-yl]pentanoic acid methyl ester