Commodity20052006200720092011
Phenazone (antipyrin) & its derivs.   $37,452$143,932
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...  $54,270$237$1,110
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... $21,503  $591
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$429  $28,707$365
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$42   $170
Total$471$21,503$54,270$66,396$146,168