Ethiprole, 100mg

2',3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

4-Chlorophenol, 10 µg/ml, Methanol, 10ml

9-Carboxynonyl-7-carboxyheptyldimethyl ammonium bromide,neat,neat,10mg,