Tenuazonic acid mixture of diastereomers, 100 µg/m

2,4,5-Trichloroaniline, 100µg/ml in MeOH, 5ml

Sodium 1H,1H,2H,2H-[1,2-13C2]perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol

Chlorsulfuron, 1000μg/ml in MeOH, 1ml