4-Methylphenol, 100 µg/ml, Methanol, 5ml

Sulfathiazole, 100 µg/ml, Methanol, 1ml

2,3,4,6-Tetrabromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

D6-Dimethyldioctylammonium iodide, 10mg