Retene, 500µg/mL in Isooctane, 1ml

Trichloroacetic acid sodium salt, certified, 0.25g

O,O,O-Triphenyl phosphorothionate,1000 µg/mL ,MeOH,1mL,

2-(4-Aminobenzyl)aniline, 100 µg/ml, Acetonitrile