2-Methylphenol, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4',5-Pentachlorobiphenyl (90)

Sodium DL-3-hydroxybutyrate-3,4,4,4-d4

Carbamazepine 10,11-epoxide, 100μg/ml in MeOH, 1ml