D7-Penicillin G N-Ethylpiperidinium salt, 10mg

Internal Standard Solution, 1.2ml, toluene

n-Dodecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-40-3

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml