| 2924.24 | 000 | Ethinamate (INN) |
| 2924.25 | 000 | Alachlor (ISO) |
| 2924.29 | | Other |
| 2924.29 | 010 | - Aspartame (INN) |
| 2924.29 | 090 | - Other |
| 29.25 | | Carboxyimide -function compounds (including saccharin and its salts) and imine -function compounds. |
| 29.25 | | Imides and their derivatives; salts thereof : |
| 2925.11 | 000 | Saccharin and its salts |
| 2925.12 | 000 | Glutethimide (INN) |
| 2925.19 | 000 | Other |
| 2925.19 | | Imines and their derivatives; salts thereof : |
| 2925.21 | 000 | Chlordimeform (ISO) |
| 2925.29 | | Other |
| 2925.29 | 100 | 1 Chlorhexidine and its salts |
| 2925.29 | 900 | 2 Other |
| 29.26 | | Nitrile -function compounds. |
| 2926.10 | 000 | Acrylonitrile |
| 2926.20 | 000 | 1-Cyanoguanidine (dicyandiamide) |
| 2926.30 | 000 | Fenproporex (INN) and its salts; methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4-diphenylbutane) |
| 2926.40 | 000 | Alpha-Phenylacetoacetonitrile |
| 2926.90 | 000 | Other |
| 29.27 | | |
| 2927.00 | 000 | Diazo-, azo- or azoxy-compounds. |