steroid 17alpha-ethynylestradiol 0 296.17763 296.41 Ethynyl estradiol lipidmaps:LMST02010036 17-ethinyl-3,17-estradiol A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. pubmed:20189629 kegg.compound:C07534 ethinyloestradiol InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1 BFPYWIDHMRZLRN-SLHNCBLASA-N kegg.drug:D00554 Ethinyl estradiol chebi_ontology drugcentral:1082 CHEBI:4903 17alpha-Ethinyl estradiol 17alpha-ethynylestra-1,3,5(10)-triene-3,17beta-diol [H][C@@]12CC[C@@](O)(C#C)[C@@]1(C)CC[C@]1([H])c3ccc(O)cc3CC[C@@]21[H] 17-alpha-ethynylestradiol reaxys:2419975 17-ethinylestradiol cas:57-63-6 17-ethinyl-3,17-oestradiol Ethinylestradiol lincs.smallmolecule:LSM-5593 hmdb:HMDB0001926 vsdb:1887 drugbank:DB00977 C20H24O2 17alpha-ethynylestra-1,3,5(10)-triene-3,17beta-diol