Simultaneous Quantitative Determination of Synthetic Cathinone Enantiomers in Urine and Plasma Using GC-NCI-MS

Figure 2

Total ion current chromatogram (TIC) of the simultaneous chiral separation of 14 synthetic cathinone compounds spiked in urine and separated as the following L-TPC derivatives: (a) 4-FMC, (b) 4-FEC, (c) nor-mephedrone, (d) buphedrone, (e) 3-MMC, (f) 3-methylbuphedrone, (g) 4-methylbuphedrone, (h) 3-EMC, (i) 3-EEC, (j) 4-EEC, (k) 3,4-DMEC, (l) 2,3-MDMC, (m) butylone, and (n) pentylone.