Ciprofloxacin-d8, 2,5mg

D5-threo-Chloramphenicol, 100µg/ml, Acetonitrile, 1ml

4-n-Nonylphenol (ring13C6), 10µg/ml, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

n-Hentriacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 630-04-6