Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Tetrahydrofuran | $753 | | $1,063 | $695 | $3,741 | $663 |
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ... | | $1,924 | $32,337 | | | $38 |
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins) | | $33 | $11,101 | $5,341 | $3,083 | $1,645 |
Total | $753 | $1,957 | $44,501 | $6,036 | $6,824 | $2,346 |
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