Stromová štruktúra MeSH - levonorgestrel

[d04.210.500.668.651.693.762.450]

• zlúčeniny polycyklické [d04] +
  • zlúčeniny so spojenými kruhmi [d04.210] +
    • steroidy [d04.210.500] +
      • norsteroidy [d04.210.500.668] +
        • norpregnány [d04.210.500.668.651] +
          • norpregnény [d04.210.500.668.651.693] +
            • norgestrel [d04.210.500.668.651.693.762] +
              • kombinácia etinylestradiol-norgestrel [d04.210.500.668.651.693.762.225]
              • levonorgestrel [d04.210.500.668.651.693.762.450]