Methyl dehydrolithofellate

(5β,9α,8S,10α,13R)-8-Hydroxy-3-oxolabdan-15-oic acid methyl ester

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

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