Roxithromycin-d7, 1mg

Clarithromycin-d3, 10µg/ml in Acetonitrile, 5ml

n-Heptacosane, ?13C: -25.48, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 593-49-7

Aroclor 1242