|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydantoin & its derivs. | | $49 | $2,944 | $75 | $2,124 | $2,204 | $1,727 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | | $74 | $1,279 | $199 | | $209 | $565 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | | $14,500 | | $17,683 | | | |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | | | | | | $6,001 | $149 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $7,000 | $901 | $22,812 | | $502 | | |
| Lactams (excl. of 2933.71 & 2933.72) | | $2,015 | | $335 | | $179 | |
| Total | $7,000 | $17,539 | $27,035 | $18,292 | $2,626 | $8,593 | $2,441 |
|
|
