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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 D03 Heterocyclic Compounds D006571 +
  D03.383 Heterocyclic Compounds, 1-Ring D006573 +
   D03.383.231 Dioxins D004147 +
     D03.383.231.388 Dioxanes D004146 +
     D03.383.231.900 Tetrachlorodibenzodioxin D013749