13C6-Mefenamic acid, 10mg

2,2',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3075-84-1

3,5-Dibromotoluene, 100mg

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml