Commodity2005200620072008200920102011
Compounds cont. an unfused thiazole ring (whether or not hydrogenated) in t ...  $3,836$8,163$16,753$15,928$445
Compounds cont. in the structure a benzothiazole ring-system (whether or no ...$6,222$293$20,807 $4,349$12,865$92,508
Compounds cont. in the structure a phenothiazine ring-system (whether or no ...$39,546 $2,741 $22,857$64,508 
Total$45,768$293$27,384$8,163$43,959$93,301$92,953