Isoxathion, 100 µg/ml, Ethyl acetate, 5ml

3,3',5,5'-Tetrabromobisphenol A, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79-94-7

Fluorobenzene, 1ml

(±)-Vanillomandelic acid-d3,100 µg/mL,MeOH,1mL,