Ethanol standard in water,0.3g/L,water, 1.5mL

n-Tetradecane , ?13C: -33.13, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-59-4

Ciprofloxacin HCl monohydrate, 100μg/ml in MeOH, 1ml

1-Nitrosopiperidine