Commodity | 2006 | 2007 | 2008 |
Tetrahydrofuran | $203,214 | $4,906 | $4,433 |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | $2,303 | $32 | $61,661 |
Coumarin, methylcoumarins & ethylcoumarins | $21 | | |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | $110,075 | $79,227 | $206,232 |
Total | $315,613 | $84,165 | $272,326 |
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