Iopamidol, 100µg/ml in MeOH, 1ml

2,2',3,3',4,5,6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

n-Tricosane, ?13C: -26.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-67-5

2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane