| 2901.10.00 | - Saturated | |
| 2901.21.00 | -- Ethylene | |
| 2901.22.00 | -- Propene (propylene) | |
| 2901.23.00 | -- Butene (butylene) and isomers thereof | |
| 2901.24.00 | -- Buta-1,3-diene and isoprene | |
| 2901.29.00 | -- Other |
| 2901.10.00 | - Saturated | |
| 2901.21.00 | -- Ethylene | |
| 2901.22.00 | -- Propene (propylene) | |
| 2901.23.00 | -- Butene (butylene) and isomers thereof | |
| 2901.24.00 | -- Buta-1,3-diene and isoprene | |
| 2901.29.00 | -- Other |