1,2-Benzisoxazole-3-acetamidoxime hydrochloride 1,2-Benzisoxazole-3-ethanimidamide, N-hydroxy-, monohydrochloride (9CI) 52237-22-6 N-Hydroxy-1,2-benzisoxazole-3-ethanimidamide, monohydrochloride NSC 285675 PF 257