(+/-)-5α-ethenyl-5β-hydroxy-1,1,4aβ-trimethyl-1,4,4a,5,6,7,8,8aα-octahydronaphthalen-2(3H)-one

5-hydroxy-1,1,4a-trimethyl-4,5,6,7,8,8a-hexahydro-3H-naphthalen-2-one

(1R,8aS) (+) 1-α-ethynyl-1-β-hydroxy-6-oxo-5,8a-dimethyl-1,2,3,4,6,7,8,8a-octahydronaphthalene