20α/β-Dihydrodydrogesterone-D7 (major) 1:1 mixture

Chemical Name: (8S,9R,10S,13S,14S,17S)-17-(1-Hydroxyethyl-1,2,2,2-d4)-10,13-dimethyl-1,2,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one-2,2,17-d3

Smile: O=C1C([2H])([2H])C[C@@]2(C)[C@]3([H])CC[C@]4(C)[C@@]([2H])(C(O)([2H])C([2H])([2H])[2H])CC[C@@]4([H])[C@]3([H])C=CC2=C1