All
 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 +
 D02.455.426.559.389.261 Chlorobenzenes D002722 +
 D02.455.426.559.389.261.190 Chlorophenols D002733 +
 D02.455.426.559.389.261.220 Dicofol D004010 
 D02.455.426.559.389.261.250 Dinitrochlorobenzene D004137 
 D02.455.426.559.389.261.400 Hexachlorobenzene D006581