Difloxacin hydrochloride,neat,neat,250mg,

trans-Urocanic acid, 100mg

4-Methyldibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7320-53-8

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane