D5-Ochratoxin A, 10.0 µg/ml, Acetonitrile, 1ml

Thiamethoxam, 100µg/mL in Acetonitrile, 1ml

Phenkapton, 10.0 µg/ml, Acetonitrile, 1ml

Pentachloronitrobenzene-13C6,100 µg/mL,n-nonane,1mL,