(-)-Nicotine, 10 µg/ml, Methanol, 10ml

2,3-Dichloronitrobenzene

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

2-(2-Hydroxyethoxy)ethyl 2-hydroxypropyltetrabromo phthalate,50 µg/mL ,toluene,1mL,