(4a'S,5'R,8a'R)-3'-methyl-5'-(prop-1-en-2-yl)-4a',5',6',7'-tetrahydro-1'H-spiro[[1,3]dithiolane-2,2'-naphthalen]-8'(8a'H)-one

(1R,3R,4aR,8aS)-7,9,9-Trimethyl-4,6-dioxo-1,3,4,5,6,8a-hexahydro-2H-1,3-methano-naphthalene-4a-carboxylic acid methyl ester

Benzoic acid (2R,4aR,5R,8R,8aS)-5-((R)-1-carboxy-ethyl)-3,8-dimethyl-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-2-yl ester

((4aS,5R,8R,8aR)-3-methyl-5-(prop-1-en-2-yl)-4a,5,6,7,8,8a-hexahydro-1H-spiro[naphthalene-2,2'-[1,3]dithiolan]-8-yl)methyl methanesulfonate