5,10- seco- 19- norpregn- 5- yne- 3,10,20- trione

pregnyne; 1H-Cyclodec(e)indene-6,9-dione, 3-acetyl-11,12-didehydro-2,3,3a,4,5,5a,7,8,10,13,13a,13b-dodecahydro-3a-methyl-, (3S-(3R*,3aS*,5aR*,13aR*,13bR*))-

• Polycyclic Compounds: 6
  • Fused-Ring Compounds
    • Steroids: 70059
      • Norsteroids: 16
        • Norpregnanes: 2
          • Norpregnenes
            • 5,10-seco-19-norpregn-5-yne-3,10,20-trione