All

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 D02 Organic Chemicals D009930 +
  D02.092 Amines D000588 +
   D02.092.146 Aniline Compounds D000814 +
    D02.092.146.859 Toluidines D014052 +
     D02.092.146.859.717 Trifluralin D014274 
 D02 Organic Chemicals D009930 +
  D02.455 Hydrocarbons D006838 +
   D02.455.426 Hydrocarbons, Cyclic D006844 +
    D02.455.426.559 Hydrocarbons, Aromatic D006841 +
     D02.455.426.559.389 Benzene Derivatives D001555 +
      D02.455.426.559.389.832 Toluene D014050 +
       D02.455.426.559.389.832.767 Trifluralin D014274