|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Phenazone (antipyrin) & its derivs. | | | $1,691 | | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | | $58,360 | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $21,101 | | | | $17,876 |
| Pyridine & its salts | | | | $1,269 | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $59,174 | | | | |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | | $450 | | | |
| Melamine | | | | $36,557 | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | | | | $1,483 | |
| Total | $80,275 | $450 | $1,691 | $97,669 | $17,876 |
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