Methadone/Methaqualone/Propoxyphene

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

1S,2R(+)-Ephedrine-D3

ß-Zearalanol, 10 µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 42422-68-4