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

n-Pentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-62-9

Napthol Yellow

4-Isopropylaniline, 100 µg/ml, Methanol, 5ml