The production of the co***ny have pentachloropyridine, pentachlorobenzenitrile, 3,4,5,6-tetrachloropyridine-2-carboxylic acid, pentafluoro benzic acid, butenafine hydrochloride, 4-amino-3,5-dichloro-2,6-difluoropyridine, N-Isopropylaniline and flame retardant ethylenebistetrabromophthalimide (Saytex BT-93W) etc.