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

2,6-Dimethylundecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17301-23-4

Fluoranthene D10, 10µg/mL in Acetone, 10ml

3,3',5,5'-Tetrabromobisphenol S dimethyl ether,50 µg/mL ,toluene,1mL