Pyridaben, 100 µg/ml, Acetonitrile, 5ml

Desacetyl cephapirin sodium salt, 10mg

2,2',3,3',5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

n-Undecane, ?13C: -26.11, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 1120-21-4