| 2YAT: reference: Structure of estradiol metal chelate and estrogen receptor complex: The basis for designing a new class of selective estrogen receptor modulators., Li MJ, Greenblatt HM, Dym O, Albeck S, Pais A, Gunanathan C, Milstein D, Degani H, Sussman JL, J Med Chem. 2011 Apr 7. PMID: 21473635 |
This OCA 
Structure page
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(documentation).