Nome Químico: Rac-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one (as per EP)
Sorrisos: O=C1CC[C@@]2([H])C(CC[C@]3([H])[C@]2([H])CC[C@@]4(CC)[C@@]3([H])CC[C@@]4(O)C#C)=C1
Inchi: InChI=1S/C6H12O6/c7-2-6(11)5(10)4(9)3(8)1-12-6/h3-5,7-11H,1-2H2/t3-,4+,5+,6-/m1/s1