Spiramycin, 100 µg/ml, Methanol, 1ml

2,3,6,7-Tetrachlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide

Phthalic acid, bis-n-undecyl ester, certified, 0.1g

Nitrofen, 10µg/ml in Cyclohexane, 10ml