Levetiracetam, 100µg/ml in Acetonitrile, 5ml

2,2',3,4',5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Tri-m-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 563-04-2

Dechlorane plus, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13560-89-9