p-Cresidine

O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml

4-Hydroxy-2',3,5,5'-tetrachlorobiphenyl, 10mg

Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate, 1.2ml x 50ug/ml, methanol