Mifepristone Impurity 8

Chemical Name: (5'R,8'S,10'R,13'S,14'S)-13'-methyl-1',2',6',7',8',12',13',14',15',16'-decahydro-4'H,17'H-spiro[[1,3]dioxolane-2,3'-[5,10]epoxycyclopenta[a]phenanthren]-17'-one

Smile: C[C@@]1(C2=O)[C@](CC2)([H])[C@@](CC[C@@]34[C@]5(CCC6(OCCO6)C4)O3)([H])C5=CC1