Commodity200520062008200920102011
Ureines & their derivs.; salts thereof $496    
Cyclic amides (incl. cyclic carbamates) & their derivs. (excl. of 2924.21-2 ...$845$1,936$2,008$2,862$490$1,985
Total$845$2,432$2,008$2,862$490$1,985