All

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 D04 Polycyclic Hydrocarbons D011083 +
  D04.808 Steroids D013256 +
   D04.808.745 Pregnanes D011278 +
    D04.808.745.432 Pregnadienes D011245 +
     D04.808.745.432.219 Cyproterone D003534 +
       D04.808.745.432.219.150 Cyproterone Acetate D017373 
 D04 Polycyclic Hydrocarbons D011083 +
  D04.808 Steroids D013256 +
   D04.808.883 Steroids, Chlorinated D013258 +
    D04.808.883.419 Cyproterone D003534 +
      D04.808.883.419.150 Cyproterone Acetate D017373