L-(+)-Ergothioneine-d9, 1mg

Atrazine, 100 µg/ml, Acetonitrile, 5ml

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

oxy-Chlordane, 100 µg/ml, Cyclohexane, 1ml