Chemical Name: 17-(Acetyloxy)-6-methyl-19-norpregna-4,6-diene-3,20-dione; 6-Methyl-17.alpha.-acetoxy-6-19-norprogesterone; Lutenyl; Surplant; TX 066; Uniplant
Smile: C[C@]1([C@]2([H])[C@@](C=C(C)C3=CC4=O)([H])[C@]([C@@]3([H])CC4)([H])CC1)[C@@](C(C)=O)(CC2)OC(C)=O