Retene, 10µg/ml in Cycohexane, 10ml

4,4'-Diaminodiphenyl sulfide, 100 µg/ml, Acetonit

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

13C6-Oxyphenbutazone, 10mg