Pyraflufen-ethyl, 10.0 µg/ml, Acetonitrile, 10ml

2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

(±)-Naproxen-d3 (?-methyl-d3),neat,neat,10mg,

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 10 x 1ml