4-Bromophenylurea, 100µg/ml in Acetonitrile, 1ml

Aqueous Ethanol Standard (2.0g/l), 10 x 1,2ml

4-Bromo-2,3,7,8-tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Closantel, 100 µg/ml, Acetonitrile, 1ml