4-n-Butoxyphenylacetohydroxamic acid, O-formate ester 76790-19-7 Hydroxylamine, N-(p-butoxyphenylacetyl)-O-formyl- N-(p-Butoxyphenylacetyl)-O-formylhydroxylamine N-4-Butoxyphenylacetylhydroxylamine-O-formate