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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Bioorg Med Chem Lett. 2009 Mar 25;19(9):2404–2408. doi: 10.1016/j.bmcl.2009.03.075

Table 1.

IC50 values for competition at both ERs from the FP assay.

Compounds ERα IC50, nMa ERβ IC50, nMa
E2 0.627 0.316
3 795 32.3
11b > 100,000 2048
13 Na 15030
a

Values are means of three experiments, (na = not active).