(R)-Naproxen acyl-β-D-glucuronide
(R)-Naproxen acyl-β-D-glucuronide ((R)-Naproxen-β-D-glucuronide) is a compound metabolite with anti-inflammatory activity. (R)-Naproxen acyl-β-D-glucuronide can serve as a sensitive fluorescent substrate for proglutamyl peptidase 1, which produces a blue reaction after cleavage.