(4aS)-1,4aβ-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dione-5-ethyeneacetal

(8aS)-3,4,8,8a-tetrahydro-5,8a-dimethylnaphthalene-1,6(2H,7H)-dione 1-ethyleneacetal; (S)-5',8a'-dimethyl-3',4',8',8a'-tetrahydro-2'H-spiro[[1,3]dioxolane-2,1'-naphthalen]-6'(7'H)-one; (S)-5′,8a′-dimethyl-3′,4′,8′,8a′-tetrahydro-2′H-spiro{[1,3]dioxolane-2,1′-naphthalen}-6′(7′H)-one; (S)-4,4a,5,6,7,8-hexahydro-5-(1,3-dioxolan)-1,4a-dimethylnaphthalen-2(3H)-one; (8aS)-(+)-3,4,8,8a-tetrahydro-5,8a-dimethylnaphthalene-1,6(2H,7H)-dione 1-(ethylene acetal); (S)-5',8a'-dimethyl-3',4',8',8a'-tetrahydro-2'H-spiro{[1,3]dioxolane-2,1'-naphthalen}-6'(7'H)-one; Expand