Commodity200620072008200920102011
Heterocyclic comps. cont. an unfused furan ring (whether or not hydrogenate ...$142 $491  $261
Lactones (excl. coumarin, methylcoumarins & ethylcoumarins)$35$1,296$344$5,021$387$111
Total$177$1,296$835$5,021$387$372