2-methoxy-3-(((4aS,5R,6S,8aR)-5,6,8a-trimethyloctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)methyl)cyclohexa-2,5-diene-1,4-dione

3,7,8-trimethoxy-2,6-bis(((4aS,5R,6S,8aR)-5,6,8a-trimethyloctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)methyl)dibenzo[b,d]furan-1,4-dione

(4aS,5R,6S,8aR)-5-(2-Hydroxy-6-methoxy-benzyl)-5,6,8a-trimethyl-octahydro-naphthalen-1-one

3-methoxy-2-(((4aS,5R,6S,8aR)-5,6,8a-trimethyloctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)methyl)phenol

(4aS,5R,6S,8aR)-5-(6-Hydroxy-2,3-dimethoxy-benzyl)-5,6,8a-trimethyl-octahydro-naphthalen-1-one