Carbofuran-3-hydroxy, 10.0 µg/ml, Acetonitrile,

rac Felodipine-13C4, d3, 1mg

4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml

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