Ibuprofen-13C,d3, 1mg

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Picoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 109-06-8

9-Nitrophenanthrene-d9, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.