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N-Hydroxy-2-oxo-1(2H)-pyridineethanimidamide 1(2H)-PyridineethaniMidaMide, N-hydroxy-2-oxo- N'-hydroxy-2-(2-oxopyridin-1-yl)ethanimidamide N-Hydroxy-2-(2-oxopyridin-1(2H)-yl)acetiMidaMide (Z，E)-N'-hydroxy-2-(2-oxopyridin-1(2H)-yl)Ethanimidamide N'-hydroxy-2-(2-oxo-1,2-dihydropyridin-1-yl)ethanimidamide (Z，E)-N'-hydroxy-2-(2-oxopyridin-1(2H)-yl)Ethanimidamide ISO 9001：2015 REACH