All

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 D02 Organic Chemicals D009930 +
  D02.033 Alcohols D000438 +
   D02.033.800 Sugar Alcohols D013402 +
    D02.033.800.421 Glycerol D005990 +
     D02.033.800.421.560 Nitroglycerin D005996 
 D02 Organic Chemicals D009930 +
  D02.640 Nitro Compounds D009574 +
   D02.640.636 Nitroglycerin D005996