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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 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 +
       D02.455.426.559.389.832.500 Toluene 2,4-Diisocyanate D014051 


 D02 Organic Chemicals D009930 +
  D02.500 Isocyanates D017953 +
   D02.500.800 Toluene 2,4-Diisocyanate D014051