英文别名Ascorbic Acid Impurity D (Methyl D-Sorbosonic Acid); Ascorbic acid Imp D (EP) : methyl D-xylo-hex-2-ulosonate; Ascorbic Acid Impurity 1; Ascorbic Acid Impurity 4(methyl D-sorbosonate); Ascorbic Acid Impurity 4(Ascorbic Acid EP Impurity D); D-xylo-[2]hexulosonic acid methyl ester 
