Vamidothion, 100 µg/ml, Toluene, 1ml

Metribuzin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 21087-64-9

Magnesium Chloride Solution

Atrazine-2-hydroxy, 100mg