Protriptyline hydrochloride ,1000 µg base/mL,MeOH,1mL,

Caffeine-d3 (1-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26351-03-1

Native PFCAs and PFSAs Solution/Mixture, 1.2ml, methanol

EPA Method 548 Calibration Solution