| 293020 | Organo-sulphur compounds.-Thiocarbamates and dithiocarbamates |
| 293030 | Organo-sulphur compounds.-Thiuram mono-, di- or terasulphides |
| 293040 | Organo-sulphur compounds.-Methionine |
| 293050 | Organo-sulphur compounds.-Captafol (ISO) and methamidophos (ISO) |
| 293090 | Organo-sulphur compounds.-Other |
| 293110 | Other organo-inorganic compounds.-Tetramethyl lead and tetraethyl lead |
| 293120 | Other organo-inorganic compounds.-Tributyltin compounds |
| 293190 | Other organo-inorganic compounds.-Other |
| 293211 | Heterocyclic compounds with oxygen hetero -atom(s) only.-Tetrahydrofuran |
| 293212 | Heterocyclic compounds with oxygen hetero -atom(s) only.-2-Furaldehyde (furfuraldehyde) |
| 293213 | Heterocyclic compounds with oxygen hetero -atom(s) only.-Furfuryl alcohol and tetrahydrofurfuryl alcohol |
| 293219 | Heterocyclic compounds with oxygen hetero -atom(s) only.-Other |
| 293220 | Heterocyclic compounds with oxygen hetero -atom(s) only.-Lactones : |
| 293291 | Heterocyclic compounds with oxygen hetero -atom(s) only.-Isosafrole |
| 293292 | Heterocyclic compounds with oxygen hetero -atom(s) only.-1-(1,3-Benzodioxol-5-yl)propan-2-one |






