Acid Surrogate Standard

Metformin-d6 Hydrochloride, 1mg

Mirtazapine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 61337-67-5

(S)-(+)-Pregabalin-d4 (aminomethyl d2; hexanoic acid-2,2-d2)