Ulipristal Mono Ketal Impurity

Chemical Name: 1-((8S,13S,14S,17R)-17-hydroxy-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl)ethan-1-one

Smile: C[C@@]1([C@@]2(O)C(C)=O)[C@](CC2)([H])[C@@](CCC3=C4CCC5(OCCO5)C3)([H])C4=CC1