Product Description: N-Desmethyl diltiazem-d4 is deuterium labeled N-Desmethyl diltiazem[1].
Formula: C21H20D4N2O4S
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.