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

epsilon-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6108-10-7

Roxithromycin, 100 µg/ml, Methanol, 1ml

Column Resolution Mix ASTM D-3524