(+/-)-estrone methyl ether

7-<2-(3-Methoxybicyclo<4.2.0>octa-1,3,5-trien-7-yl)ethyl>-spiro<bicyclo<2.2.1>hept-5-ene-2,2'-<1,3>dioxolane>-7-methanol mesylate

ent-3-Methoxy-6,7:8,9-diseco-1,3,5(10),7-oestratetraen-11,17-dion

7-<2-(3-Methoxybicyclo<4.2.0>octa-1,3,5-trien-7-yl)ethyl>-7-methylspiro<bicyclo<2.2.1>hept-5-ene-2,2'-<1,3>dioxolane>

Methyl 3-Hydroxy-2-<2-(3-methoxybicyclo<4.2.0>octa-1,3,5-trien-7-yl)ethyl>-2-methylcyclopentaneacetate

methyl (+)-(1β,4β,5β,7R*)-5-bromospiro<bicyclo<2.2.1>heptane-2,2'-<1,3>dioxolane>-7-carboxylate

{(1R,4S,5S)-4-Hydroxy-5-[2-(3-methoxy-bicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-ethyl]-5-methyl-cyclopent-2-enyl}-acetic acid