Section 06 Products of the chemical or allied 29 Organic chemicals 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 90 Other IX NITROGENFUNCTION COMPOUNDS 29 20 90 00 Other IX NITROGENFUNCTION COMPOUNDS Commodity Code Description 29 20 90 00 000 Other IX NITROGENFUNCTION COMPOUNDS