Azobenzene, 100 µg/ml, Cyclohexane, 1ml

2,4-Dihydroxybenzophenone-13C6, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 131-56-6 (unlabelled)

O,O-Diethylthiophosphate, potassium salt, 50mg

Fenthion-oxon-sulfone, 100µg/ml in AL, 5ml