Norethisterone 3-hexenoate

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 (E)-hex-3-enoate

Smile: C[C@@]12[C@](CC[C@]2(C#C)OC(C/C=C/CC)=O)([H])[C@]3([H])CCC4=CC(CC[C@]4([H])[C@@]3([H])CC1)=O