A 17-hydroxy steroid that has formula C20H24O2.

http://purl.obolibrary.org/obo/CHEBI_4903

InChIKey=BFPYWIDHMRZLRN-SLHNCBLASA-N

17-ethinyl-3,17-oestradiol

17alpha-Ethinyl estradiol

[H][C@]12CC[C@@]3(C)[C@@]([H])(CC[C@@]3(O)C#C)[C@]1([H])CCc1cc(O)ccc21

Ethinylestradiol

17-ethinylestradiol

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

C20H24O2

17alpha-ethynylestra-1,3,5(10)-triene-3,17beta-diol

17-ethinyl-3,17-estradiol

ethinyloestradiol

Ethinyl estradiol

Ethynyl estradiol

A 17-hydroxy steroid that has formula C20H24O2.

http://purl.obolibrary.org/obo/CHEBI_16469

17alpha-ethynylestradiol

CHEBI:4903

17alpha-ethynylestradiol

http://purl.obolibrary.org/obo/CHEBI_36838