| 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 | 51111 | Ethylene | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51112 | Propene (propylene) | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51113 | Butylenes, butadienes and methylbutadienes | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51114 | Saturated acyclic hydrocarbons | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 51119 | Acyclic hydrocarbons, n.e.s. |