5-CARBOXYVALEROHYDROXAMIC ACID, 5-CARBOXYVALERYL AZIDE, 3-CARBOXYPROPIONOHYDROXAMIC ACID, o-CARBOXYBENZOHYDROXAMIC ACID, AND POLYAMIDES PREPARED FROM THEM BY REARRANGEMENT
5-CARBOXYVALEROHYDROXAMIC ACID, 5-CARBOXYVALERYL AZIDE, 3-CARBOXYPROPIONOHYDROXAMIC ACID, o-CARBOXYBENZOHYDROXAMIC ACID, AND POLYAMIDES PREPARED FROM THEM BY REARRANGEMENT