| Standard International Trade Classification (SITC) - level 3 - Group | 511 | Hydrocarbons, n.e.s., and their derivates | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51121 | Cyclohexane | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51122 | Benzene, pure | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51123 | Toluene, pure | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51124 | Xylenes, pure | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51125 | Styrene | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51126 | Ethylbenzene | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51127 | Cumene | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51129 | Cyclic hydrocarbons, n.e.s. |