Ciprofloxacin-d8 hydrochloride (piperazine-d8)

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

Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml

Cyanazine, 100 µg/ml, Ethyl acetate, 5ml