(R)-1-(2-(triisopropylsilyloxy)furan-3-yl)-2-((1S,8aS)-5,5,8a-trimethyl-2-methylenedecahydronaphthalen-1-yl)ethanol

(1S,2S,4aS,8aS)-N-methoxy-N-methyl 1-(2-hydroxy-2,5,5,8a-tetramethyldecahydronaphthalenyl)-acetamide

(1S,4aS,8aS)-N-methoxy-N-methyl 1-(5,5,8a-trimethyl-2-methylenedecahydronaphthalenyl)-acetamide