9α,11-carbonyldioxy-12-propanedionyldrim-7-ene

(4aS,8aS)-2-[1,3]Dioxan-2-yl-5,5,8a-trimethyl-4a,5,6,7,8,8a-hexahydro-4H-naphthalen-1-one

(4aS,8aS)-6-Dimethoxymethyl-5-[1-methoxy-meth-(Z)-ylidene]-1,1,4a-trimethyl-1,2,3,4,4a,5,8,8a-octahydro-naphthalene

2-{(4aR,8aR)-1-[1-Methoxy-meth-(Z)-ylidene]-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-2-yl}-[1,3]dioxolane