1-Chloronaphthalene, 1.2mL x 50ug/mL, nonane

2,6-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

U-(13C20)-Cyclopiazonic acid,10 µg/mL,acetonitrile,1.2mL

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