norethindrone-4 beta,5 beta-epoxide

norethindrone-4 beta,5 beta-epoxide, (17alpha)-isomer; norethindrone-4 beta,5 beta-epoxide, (4alpha,5alpha)-isomer; norethisterone 4 beta,5-oxide; norethisterone-4 beta,5 beta-epoxide; (4 beta,5 beta,17 alpha)-4,5-epoxy-17-hydroxy-19-nor pregn-20-yn-3-one

• Polycyclic Compounds: 6
  • Fused-Ring Compounds
    • Steroids: 70059
      • Norsteroids: 16
        • Norpregnanes: 2
          • Norpregnenes
            • Norethindrone: 384
              • norethindrone-4 beta,5 beta-epoxide