Cephalosporins

Biphenyl-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1486-01-7

n-Hexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110-54-3

Barban, 100 µg/ml, Acetonitrile, 1ml