Perfluoro-n-dodecanoic acid, 1.2ml x 50ug/ml, methanol

Levetiracetam, 100µg/ml in Acetonitrile, 5ml

Pesticide Mix #2

GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.