Ciprofloxacin, 1000µg/ml in 0,1mol/l HCl, 1ml

2,2',4,6,6'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Glycerol-d5, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 62502-71-0

Napropamide, 100 µg/ml, Cyclohexane, 5ml