Norethisterone Octoate

Chemical Name: (8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl octanoate

Smile: O=C(CCCCCCC)O[C@]([C@]12C)(CC[C@@]1([H])[C@@](CCC3=CC4=O)([H])[C@]([C@@]3([H])CC4)([H])CC2)C#C