Fensulfothion-oxon, 100 µg/ml, Acetonitrile, 5ml

Methotrexate hydrate, 100mg

Tris(2,3-dibromopropyl)phosphate, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 126-72-7

EPA Method 531.2 - Analytes