Commodity2005200720082009
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$5,802$5,366 $6,591
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... $5,903$6,115 
Total$5,802$11,269$6,115$6,591