has_role estradiol 0 272.17763 272.388 C18H24O2 pubmed:10696569 oestradiol wikipedia.en:Estradiol VOXZDWNPVJITMN-WKUFJEKOSA-N [H][C@@]12CCc3cc(O)ccc3[C@@]1([H])CC[C@]1(C)C(O)CC[C@@]21[H] CHEBI:23965 chebi_ontology MESH:D004958 pubmed:24084694 estra-1,3,5(10)-triene-3,17-diol InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17?,18+/m1/s1 SNOMEDCT:126172005 CHEBI:42364 NCIt:C2295 estra-1,3,5(10)-triene-3,17-diol A 3-hydroxy steroid that is estra-1,3,5(10)-triene substituted by hydroxy groups at positions 3 and 17. phenols steroid hormone role