β-​D-​Glucopyranuronic Acid Phenylmethyl Ester 1-Benzoate is an intermediate for the synthesis of Benzoic Acid Acyl-β-D-glucuronide (B203930), in the class of 1-β-D-Acyl glucuronides (βGAs) which are potentially highly reactive metabolites which are capable of binding to protein molecules and resulting in adverse drug reactions observed in medications.