Product Description: Tenuazonic acid-(acetyl-13C2) (mixture of diastereomers) in methanol (3-(Acetyl-13C2)-5-((S)-sec-butyl)-4-hydroxy-1,5-dihydro-2H-pyrrol-2-one) is 13C labeled Tenuazonic acid-(acetyl) (mixture of diastereomers) in methanol[1].
Formula: C8 13C2H15NO3
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.