| 2922.29 | | Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; salts thereof : |
| 2922.39 | | Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof : |
| 2922.43 | 000 | Anthranilic acid and its salts |
| 29.23 | | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined. |
| 2923.30 | 000 | Tetraethylammonium perfluorooctane sulphonate |
| 2923.40 | 000 | Didecyldimethylammonium perfluorooctane sulphonate |
| 2923.90 | 100 | 1 1-Adamantyl trimethylammonium hydroxide (ADAH) and tetraethylammonium hydroxide (TEAH) |
| 29.24 | | Carboxyamide -function compounds; amide-function compounds of carbonic acid. |
| 2924.19 | 020 | 1 2-Acrylamide-2-methylpropane sulphonic acid and oxamide |
| 2924.23 | 000 | 2-Acetamidobenzoic acid (N-acetylanthranilic acid) and its salts |
| 29.26 | | Nitrile -function compounds. |
| 2926.10 | 000 | Acrylonitrile |
| 2926.20 | 000 | 1-Cyanoguanidine (dicyandiamide) |
| 2926.40 | 000 | Alpha-Phenylacetoacetonitrile |
| 2928.00 | 000 | Organic derivatives of hydrazine or of hydroxylamine. |
| 29.29 | | Compounds with other nitrogen function. |
| 2929.90 | | X.- ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS, AND SULPHONAMIDES |
| 2930.40 | 000 | Methionine |
| 29.31 | | Other organo-inorganic compounds. |
| 2931.38 | 000 | Salt of methylphosphonic acid and (aminoiminomethyl)urea (1 : 1) |
| 29.32 | | Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure : |
| 2932.20 | 020 | 2 Santonin |
| 29.33 | | Heterocyclic compounds with nitrogen hetero-atom(s) only. |