Amidosulfuron, 10.0 µg/ml, Acetonitrile, 10ml

N-Nitrosodi-n-propylamine, 1000µg/mL in MeChl, 1ml

Ofloxacin, 100 µg/ml, Methanol, 1ml

Pyridaphenthion, 10.0 µg/ml, Ethyl acetate, 10ml