| 2811.29 | | 1 Dinitrogen tetroxide and Sulphur dioxide |
| 2811.29 | 110 | - Dinitrogen tetroxide |
| 29.29 | | Compounds with other nitrogen function. |
| 29.33 | | Heterocyclic compounds with nitrogen hetero-atom(s) only. |
| 3105.40 | | Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : |
