Dapagliflozin D-Gluconic Acid Impurity

: (2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoic acid; Dextronic Acid; Gluconic Acid; Glycogenic Acid; Glyconic Acid; Maltonic Acid; Pentahydroxycaproic Acid; (2R,3S,4R,5R)-2,3,4,5,6-Pentahydroxyhexanoic Acid;