Nitroguanidine, 100 µg/ml, Acetonitrile, 1ml

Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 50µg/ml in MeOH, 1,2ml

2,3,3',4,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

D5-Decoquinate, 10mg