2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

2,2',3,4',5,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Prednicarbate, 250mg

n-Propyl acetate,1000 µg/mL,MeOH,1mL,