Acetonitrile

2,2',4,4',6-Pentabromo-6'-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

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

Phosphatidylethanol sodium salt,1 millimol free acid (723.5 µg/mL),chloroform,1mL