Sildenafil citrate,100 µg base/mL,MeOH,1mL

Metribuzin, 100µg/ml in Acetonitrile, 5ml

2,3,4-Trichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 15950-66-0

Dioxabenzofos, 100 µg/ml, Acetonitrile, 1ml