Metoprolol Acid, 5mg

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

1-Chloro-1,1-difluoroethane, 1000µg/ml in MeOH, 1ml

Ethiprole-sulfone, 100 µg/ml, Acetonitrile, 1ml