All

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 D02 Organic Chemicals D009930 +
  D02.092 Amines D000588 +
   D02.092.102 Ammonium Compounds D000644 +
    D02.092.102.700 Propantheline D011413 
 D02 Organic Chemicals D009930 +
  D02.675 Onium Compounds D009861 +
   D02.675.276 Ammonium Compounds D000644 +
    D02.675.276.700 Propantheline D011413 
 D03 Heterocyclic Compounds D006571 +
  D03.494 Heterocyclic Compounds, 3-Ring D006575 +
   D03.494.953 Xanthenes D014966 +
    D03.494.953.558 Propantheline D011413