| 2931.10 | 000 | Tetramethyl lead and tetraethyl lead |
| 2931.20 | 000 | Tributyltin compounds |
| 2931.20 | | Other organo-phosphorous derivatives |
| 2931.32 | 000 | Dimethyl propylphosphonate |
| 2931.34 | 000 | Sodium 3-(trihydroxysilyl)propyl methylphosphonate |
| 2931.35 | 000 | 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide |
| 2931.38 | 000 | Salt of methylphosphonic acid and (aminoiminomethyl)urea (1 : 1) |
| 2931.39 | 000 | Other |
| 2931.90 | 000 | Other |
| 29.32 | | Heterocyclic compounds with oxygen hetero -atom(s) only. |
| 29.32 | | Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure : |
| 2932.11 | 000 | Tetrahydrofuran |
| 2932.12 | 000 | 2-Furaldehyde (furfuraldehyde) |
| 2932.13 | 000 | Furfuryl alcohol and tetrahydrofurfuryl alcohol |
| 2932.14 | 000 | Sucralose |
| 2932.19 | 000 | Other |
| 2932.20 | 010 | 1 Coumarin, methylcoumarins and ethylcoumarins |
| 2932.20 | 090 | 3 Other |
| 2932.20 | | Other |
| 2932.91 | 000 | Isosafrole |
| 2932.92 | 000 | 1-(1,3-Benzodioxol-5-yl)propan-2-one |
| 2932.93 | 000 | Piperonal |
| 2932.94 | 000 | Safrole |