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| Sub-Chapter | 2006 | 2007 | 2008 | 2010 |
| Halogenated derivatives of hydrocarbons. | | | $5,367 | |
| Sulphonated, nitrated or nitrosated derivatives of hydrocarbons | | | | $68,997 |
| Carboxylic acids with additional oxygen function | | $259,994 | | |
| Amine-function compounds | $1,500 | | | |
| Other organo-inorganic compounds. | | | $1,956 | |
| Provitamins and vitamins, natural or reproduced by synthesis | $34,667 | | | |
| Antibiotics. | $59,390 | | | |
| Total | $95,557 | $259,994 | $7,323 | $68,997 |
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