7-Methoxy-1,2,3,4,9,10-hexahydrophenanthrene-3-carboxylic acid

7-Methoxy-3,4,4a,9,10,10a-hexahydro-(1β,4aβ-cyclopropa)-3α,10aα-ethanophenanthren-2(1H)-one

7-Methoxy-3-diazoacetyl-1,2,3,4,9,10-hexahydrophenanthrene

7-Methoxy-1,2,3,9,10,10a-hexahydro-phenanthrene-3-carboxylic acid methyl ester

7-Methoxy-1,2,3,9,10,10aβ-hexahydrophenanthrene-3-carboxylic acid