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. Author manuscript; available in PMC: 2009 Mar 1.
Published in final edited form as: Steroids. 2007 Nov 4;73(3):280–288. doi: 10.1016/j.steroids.2007.10.011

Table 1.

ER-binding and inhibition of lipid peroxidation of the compounds.

Compound IC50 for ER Binding (nM) IC50 for Inhibition of Lipid Peroxidation (µM)
ERα ERβ FTC Method TBARS Method
1,3,5(10)-Estratriene-3,17β-diol (E2) 1.3 0.7 11.9 3.9
17β-butoxy-1,3,5(10)-estratriene-3-ol (17OBu-E2, 1) 12.3 15.5 4.1 2.7
10β-Hydroxy-17β-butoxy-1,4-estradiene-3-one (17OBu-E2Q, 2) > 10,000 > 10,000 n.i. n.i.