1-ethynyl-1-hydroxy-7-methoxy-2-methyl-1,2,3,4,9,10-hexahydro-phenanthrene-2-carboxylic acid methyl ester
methyl 1,2,3,4,9,10-hexahydro-7-methoxy-2-methyl-1-oxophenanthrene-2-carboxylate
1-(2-bromoethyl)-6-methoxy-1-naphthalene
1-ethyl-1-hydroxy-7-methoxy-2-methyl-1,2,3,4,9,10-hexahydro-phenanthrene-2-carboxylic acid methyl ester
(+/-)-1t-ethyl-7-methoxy-2-methyl-4-oxo-1,2,3,4-tetrahydro-phenanthrene-2r-carboxylic acid methyl ester