Diclofenac sodium, 100 µg/ml, Methanol, 1ml

Diphenylamine, 100 µg/ml, Ethyl acetate, 1ml

Ethanol standard in water,0.5g/L,water, 1.5mL

Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,