(+/-)-7-methoxy-4a-methyl-(4ar,10at)-3,4,4a,9,10,10a-hexahydro-1H-phenanthren-2-one
7-methoxy-4a-methyl-4,4a,9,10-tetrahydro-3H-phenanthren-2-one
(+/-)-7t-hydroxy-4b-methyl-(4ar,4bt,8ac)-4,4a,4b,5,6,7,8,8a,9,10-decahydro-3H-phenanthren-2-one
benzoyl chloride
methyl iodide