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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $37,920 | $99,343 | $27,844 | $20,409 | $18,716 | $3,214 | $4,648 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | | | | $958 | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | | | $2,840 | | | | $2 |
| Pyridine & its salts | $2,350 | $962 | $2,782 | $1,188 | $2,116 | $4,918 | $2,007 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $43,000 | $25,100 | $59,000 | $1,450 | | $21,000 | $105,000 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $2,344 | | | | | | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $296 | | | $4 | $784 | | |
| Lactams (excl. of 2933.71 & 2933.72) | $1,096 | $2,053 | | | | | |
| Total | $87,006 | $127,458 | $92,466 | $23,051 | $21,616 | $30,090 | $111,657 |
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