|
| Sub-Chapter | 2005 | 2006 |
| Acyclic alcohols and their derivatives | $27,883 | $41,434 |
| Ketones and quinones | | $12,917 |
| Oxygen-function amino-compounds | $924,864 | $75,776 |
| Quaternary ammonium salts and hydroxides | $36,827 | $169,229 |
| Heterocyclic compounds with oxygen hetero-atom(s) only. | $8,042 | |
| Heterocyclic compounds with nitrogen hetero-atom(s) only. | $507,464 | $742,367 |
| Antibiotics. | $4,180,144 | $4,170,936 |
| Other organic compounds. | $8,805 | |
| Total | $5,694,029 | $5,212,659 |
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