| 2918.15 |  | Salts and esters of citric acid | 
| 2918.16 | 000 | Gluconic acid, its salts and esters | 
| 2918.17 | 000 | 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) | 
| 2918.19 | 010 | 1 Cholic acid | 
| 2918.19 |  | Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : | 
| 2918.21 | 000 | Salicylic acid and its salts | 
| 2918.22 | 000 | O-Acetylsalicylic acid, its salts and esters | 
| 2918.23 | 000 | Other esters of salicylic acid and their salts | 
| 2918.30 |  | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives | 
| 2918.30 | 100 | 1 Dehydrocholic acid (3, 7, 12-triketocholanic acid) | 
| 2918.91 | 000 | 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters | 
| 2918.99 |  | VIII.- ESTERS OF INORGANIC ACIDS OF NON-METALS AND THEIR SALTS, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES | 
| 29.19 |  | Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 29.20 |  | Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 29.20 |  | Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : | 
| 2920.90 | 010 | - Carbonic esters and their derivatives | 
| 29.21 |  | Acyclic monoamines and their derivatives; salts thereof : | 
| 2921.19 |  | Acyclic polyamines and their derivatives; salts thereof : | 
| 2921.30 | 000 | Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof | 
| 2921.30 |  | Aromatic monoamines and their derivatives; salts thereof : | 
| 2921.49 |  | Aromatic polyamines and their derivatives; salts thereof : | 
| 2922.21 | 000 | Aminohydroxynaphthalenesulphonic acids and their salts | 
| 2922.42 |  | Glutamic acid and its salts |