Ulipristal Epoxy Compound

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

Smile: C[C@@]1([C@]2(C3(OCCO3)C)O)[C@](CC2)([H])[C@@](CCC45C6(CCC7(OCCO7)C5)O4)([H])C6=CC1