| 2925.29 | 100 | 1 Chlorhexidine and its salts |
| 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 |
| 2927.00 | 000 | Diazo-, azo- or azoxy-compounds. |
| 2928.00 | 000 | Organic derivatives of hydrazine or of hydroxylamine. |
| 29.29 | | Compounds with other nitrogen function. |
| 2929.10 | | Isocyanates |
| 2929.10 | 020 | - Diphenylmethandiisocyanate |
| 2929.10 | 010 | - Toluenediisocyanate (Tolylenediisocyanate) |
| 2929.90 | | X.- ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS, AND SULPHONAMIDES |
| 2930.20 | 000 | Thiocarbamates and dithiocarbamates |
| 2930.30 | 000 | Thiuram mono-, di- or tetrasulphides |
| 2930.40 | 000 | Methionine |
| 2930.60 | 000 | 2-(N,N-Diethylamino)ethanethiol |
| 2930.70 | 000 | Bis(2-hydroxyethyl)sulfide (thiodiglycol (INN)) |
| 2930.80 | 000 | Aldicarb (ISO), captafol (ISO) and methamidophos (ISO) |
| 2930.90 | 100 | 1 Dithiocarbonates (xanthates) |
| 29.31 | | Other organo-inorganic compounds. |
| 2931.20 | 000 | Tributyltin compounds |
| 2931.20 | | Other organo-phosphorous derivatives |
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