SPIRO[CYCLOPROP[A]INDENE-1(1AH),4'-[4H]INDENE],HEXADECAHYDRO-7'A-METHYL-1'-(1,4,5- TRIMETHYLHEXYL)-,[1'R-[1'R(1R*,4S*),3'A4'- (1BR*),7'AR]]-[PARTIAL]-