Procaine hydrochloride, 250mg

Chloridazon-methyl-desphenyl, 100µg/mL in Acetonitrile, 1ml

2,3,5,6-Tetrabromophenol, 1.2ml x 100ug/ml, toluene

4,4'-Dichlorobenzophenone, 100 µg/ml, Acetonitril