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Repellent, useful to deter termites, comprises copper salt e.g. copper borate and copper fluoride, alkanolamine e.g. isopropanolamine and ethanolamine, and polymeric, quaternary ammonium borate
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Method of producing chloropyridine sulfonic acid chlorides
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Preparation of chlorinated pyridine sulfonic acid chloride derivatives from hydroxypyridine sulfonic acids and phosphorus trichloride/chlorine gas; useful as intermediates for drugs, e.g. torasemide
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2-Halopyridine-N-oxide preparation in high yield using polycyclic anhydride oxidation catalyst, used as intermediate for pyrithione
