Flecainide-d4 acetate,neat,neat,2.5mg,

Pyrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-52-1

rac Metoprolol-d7, 1mg

2,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17057-91-9