19,20-di-O-methylenepuupehenol

(S)-[6-(tert-Butyl-dimethyl-silanyloxy)-benzo[1,3]dioxol-5-yl]-((1R,4aR,8aR)-2,5,5,8a-tetramethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-methanol

(R)-[6-(tert-Butyl-dimethyl-silanyloxy)-benzo[1,3]dioxol-5-yl]-((1S,4aS,8aS)-2,5,5,8a-tetramethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-methanol

6-(7'-drimen-11'-ylidene)-3,4-methylenedioxy-2,4-cyclohexadienone

6-[1-((1R,4aR,8aR)-2,5,5,8a-Tetramethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-meth-(Z)-ylidene]-6H-benzo[1,3]dioxol-5-one