16β,17β-isopropylidenedioxy-3-methoxy-estra-1,3,5(10)-triene

吡啶盐酸盐

3-hydroxy-estra-1,3,5(10)-triene-17-one

2-ethenylcyclopropane-1,1-dicarboxylic acid

9α-Hydroxy-3-methoxy-1,3,5(10)-oestratrien-17-on