Scope), Blood - Femoral Blood -Analysis by High Performance Liquid Chromatography/Tandem Mass Spectrometry QTRAP (LC-MS/MS QTRAP) for aaranstuad Ret Limit COOMBS' Rot—Limit 4-cyano-CUMYL-BINACA 0.10 ng/mL AMB-FUBINACA 1.0 ng/mL 4-fluoro-MDMB-BINACA 0.10 ng/mL CUMYL-THPINACA 0.10 ng/mL 5-fluor