Commodity200520062007
Phenazone (antipyrin) & its derivs.$103$2,261$2,251
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$423 $231
Hydantoin & its derivs.$39,853$39,850$95,315
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$3,058,901$3,337,655$3,072,680
Pyridine & its salts$15,054$37,946$29,751
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$7,598,243$6,548,481$7,505,931
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$11,613,679$15,487,690$16,184,849
Melamine$74,411$86,401$101,087
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$831,419$1,623,350$1,120,871
6-Hexanelactam (epsilon-caprolactam)  $4,594
Lactams (excl. of 2933.71 & 2933.72)$967,899$783,159$680,739
Total$24,199,985$27,946,793$28,798,299