Atrazine-2-hydroxy, 100 µg/ml, Methanol, 1ml

Levamisole hydrochloride for SS, 15mg

(±)-Nicotine-d3 (N-methyl-d3),1000 µg/mL,acetonitrile,1mL,

Norfloxacin, 100 µg/ml, Methanol, 1ml