Cumyluron, 100 µg/ml, Acetonitrile, 1ml

2,3,3-Trimethylindolenine,neat,neat,10mg,

2,3-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Sodium 1H,1H,2H,2H-[1,2-13C2]perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol