Difenoconazole, 100 µg/ml, Acetonitrile, 5ml

C20 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,2',3,4,4',5',6-Heptachlorobiphenyl (183)

Herbicide Acid Standard