Hexabromo[13C6]benzene, 1.2ml x 50ug/ml , toluene

Metronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

N-Nitrosodiethanolamine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1173019-53-8

Doxepin-d3 hydrochloride, neat, Solvent-net, Unit 10mg, # of units-1, Cas.no. 347840-07-7