Pentylbenzene

2,2',3,3',4,4',5,5'-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35694-08-7

Cefuroxime sodium salt, 100mg

Perfluoro-n-[1,2-13C2]decanoic acid, 1.2ml x 50ug/ml, methanol