Sildenafil citrate,1000 µg base/mL,MeOH,1mL

2,2,4,4-Tetramethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 62183-79-3

Methamidophos, 100 µg/ml, Toluene, 1ml

Dicofol, 100 µg/ml, Ethyl acetate, 5ml