Chemical Name: 17β-Hydroxyestra-4,9,11-trien-3-one, acetate (as per USP)
Smiles: C[C@]([C@@]1([H])OC(C)=O)(C=C2)[C@](CC1)([H])[C@@](CC3)([H])C2=C(CC4)C3=CC4=O
Inchi: InChI=1S/C19H17N5O/c1-2-24-19-16(18(20)21-12-22-19)17(23-24)13-8-10-15(11-9-13)25-14-6-4-3-5-7-14/h3-12H,2H2,1H3,(H2,20,21,22)