Robenidine HCl, 100µg/mL in Acetone:MeOH, 1ml

n-Tetracosane-d50, 1000µg/ml in IO, 1ml

2,2',4,4',6-Pentabromo-6'-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

N,N-Dimethylsulfamide, 100 µg/ml, Acetonitrile,