All

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 D02 Organic Chemicals D009930 +
  D02.455 Hydrocarbons D006838 +
   D02.455.849 Terpenes D013729 +
    D02.455.849.765 Sesquiterpenes D012717 +
     D02.455.849.765.211 Artemisinins D037621 
 D02 Organic Chemicals D009930 +
  D02.737 Peroxides D010545 +
   D02.737.055 Artemisinins D037621