Norethindrone Acetate

[ (8R,9S,10R,13S,14S,17R) -17-ethynyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate

98%

CC (=O) O[C@]1 (CC[C@@H]2[C@@]1 (CC[C@H]3[C@H]2CCC4=CC (=O) CC[C@H]34) C) C#C

51-98-9