All

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 D01 Inorganic Chemicals D007287 +
  D01.303 Fluorine Compounds D017611 +
   D01.303.350 Hydrofluoric Acid D006858 +
    D01.303.350.300 Fluorides D005459 +
     D01.303.350.300.950 Tin Fluorides D014002 
 D01 Inorganic Chemicals D007287 +
  D01.935 Tin Compounds D017971 +
   D01.935.925 Tin Fluorides D014002 
 D25 Biomedical and Dental Materials D001697 +
  D25.223 Cariostatic Agents D002327 +
   D25.223.800 Tin Fluorides D014002