estradiol PMID:10696569 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 272.38196 oestradiol CHEBI:42364 PMID:24084694 0 [H][C@]12CC[C@]3(C)C(O)CC[C@@]3([H])[C@]1([H])CCc1cc(O)ccc21 estra-1,3,5(10)-triene-3,17-diol Wikipedia:Estradiol CHEBI:23965 VOXZDWNPVJITMN-WKUFJEKOSA-N 272.178 chebi_ontology C18H24O2 A 3-hydroxy steroid that is estra-1,3,5(10)-triene substituted by hydroxy groups at positions 3 and 17. http://purl.obolibrary.org/obo/chebi.owl organic cyclic compound