2933.99.00 | 10 | Heterocyclic compounds with nitrogen hetero-atom(s) only. - Other: - Other - Amino-acids, for use in the manufacture of mixtures of amino-acids or of mixtures of amino-acids and protein hydrolysates (whether or not containing added minerals, vitamins, fats or carbohydrates), specially compounded for persons afflicted with amino acid disorders; Chemical antioxidants, hardeners, inhibitors, restrainers, sensitizers and stabilizers, for use in the manufacture of photographic emulsions; For use in the manufacture of animal or poultry feeds, glues or adhesives, optical fibres or optical fibre bundles or cables, typewriter or similar ribbons, polymers in primary forms or profile shapes or sheets of plastics; Having a benzenoid structure, for use as a starting material in the manufacture of synthetic organic dyes or pigment dyestuffs; L-Tryptophan, for use in the manufacture of pharmaceutical products | KGM | Free | CCCT, LDCT |