4-Phenylphenol, 100 µg/ml, Acetonitrile, 5ml

Glutaraldehyde-DNPH, 100µg/mL as aldehyde in acetonitrile, 1ml

4-Bromophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,

Acetyl chloride