Phorate-oxon-sulfone, 100 µg/ml, Acetonitrile, 1

Vardenafil-d5 (N-ethyl-d5), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1189685-70-8

Metolachlor

Atrazine D5 (ethylamino D5), 1000 µg/mL in Acetonitrile, 1ml