|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Hydantoin & its derivs. | | | $30 | $18 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | | $9,656 | | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $13,476 | $10,986 | $6,678 | $6,805 |
| Melamine | $1,387 | $972 | $112 | |
| Lactams (excl. of 2933.71 & 2933.72) | | $39 | | $23,970 |
| Total | $14,863 | $21,653 | $6,820 | $30,793 |
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