Phorate-sulfone, 100 µg/ml, Cyclohexane, 1ml

Tris(2-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

1-(4-Isopropylphenyl)-3-methylurea, 100mg

4-Nitrophenol, 100 µg/ml, Methanol, 5ml