Bromochloroacetic acid, 100mg

2,4,6,8-Tetrachloro[13C12]dibenzothiophene, 1.2ml x 50ug/ml, toluene

Rizatriptan-d6 Benzoate, 1mg

3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile,