Mixture of native α-, β-, and γ-HBCD, 1.2ml , toluene

MA - EPH Matrix Spike Rev 1.0/1.1

Fenuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 101-42-8

Tramadol-13C,d3 HCl, 100µg/ml in MeOH, 1ml