5,8a-dimethylhexahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(5H)-one

Spiro[1,3-dioxolane-2,1'(2'H)-naphthalen]-6'(5'H)-one,hexahydro-5',8'a-dimethyl-, (4'aa,5'a,8'ab)-

4aβ,8-dimethyl-3,4,4a,5,6,8aα-hexahydro-2<1H>-naphthalenone

7-triethylsilyloxy-1,4aβ-dimethyl-3,4,4a,5,8,8aα-hexahydronaphthalene