Commodity200920102011
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$109$63 
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$1,333,379$1,109$215,804
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$118 $132
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... $420 
Total$1,333,606$1,592$215,936