Methotrexate hydrate, 100mg

4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone,

Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml

Methyl pentadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7132-64-1