All

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 D02 Organic Chemicals D009930 +
  D02.540 Lactones D007783 +
   D02.540.679 Spironolactone D013148 
 D04 Polycyclic Hydrocarbons D011083 +
  D04.808 Steroids D013256 +
   D04.808.745 Pregnanes D011278 +
    D04.808.745.745 Pregnenes D011283 +
     D04.808.745.745.855 Spironolactone D013148