5,7,9-estratriene-3,17-diol

(+-)-(7-methoxy-2-methyl-2-carboxy-3.4-dihydro-2H-phenanthrylidene-(1seqtrans))-acetic acid

1,2,3,4-tetrahydro-7-methoxy-2α-methoxycarbonyl-2β-methylphenanthrene-1β-ylacetic acid

methyl 7-methoxy-1-(2-methoxy-2-oxoethyl)-2-methyl-1,2,3,4-tetrahydrophenanthrene-2-carboxylate