Product Description: Oseltamivir-d5 Phosphate is deuterium labeled Oseltamivir Phosphate[1].
Formula: C16H26D5N2O8P
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.