GC/MS Calibration Standard

Levomepromazine maleate,1000 µg base/mL ,MeOH,1mL,

1,4-Naphthoquinone-d6, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26473-08-5

(±)-Verapamil-d3 hydrochloride (N-methyl-d3) ,1000 µg base/mL,MeOH,1mL