Lamotrigine-13C3,d3, 100µg/ml in MeOH, 1ml

2,3,6-Tribromophenol, 1.2ml x 100ug/ml, toluene

D10-Diphenylamine, 100 µg/ml, Ethyl acetate, 1ml

Benzylbenzoate, 100 µg/ml, Acetonitrile, 1ml