1. Indirect chiral separation of 8 novel amphetamine derivatives as potential new psychoactive compounds by GC–MS and HPLC 
Jennifer A. Weiß, Kian Kadkhodaei, Martin G. Schmid 
Science and Justice 
Volume 57, Issue 1, Pages 6-12 (January 2017)
DOI: /j.scijus
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2. Fig. 1
Chemical structures of the 8 synthesized and investigated amphetamine- and methamphetamine derivatives and their mass spectral data. Conditions: GC–MS, temperature programme 1; 1: 2-FMA, 2: 2-FA, 3: 3-BA, 4: 4-NA, 5: 2-CA, 6: 2-CMA, 7: 4-BMA, 8: 4-NMA.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

3. Fig. 1
Chemical structures of the 8 synthesized and investigated amphetamine- and methamphetamine derivatives and their mass spectral data. Conditions: GC–MS, temperature programme 1; 1: 2-FMA, 2: 2-FA, 3: 3-BA, 4: 4-NA, 5: 2-CA, 6: 2-CMA, 7: 4-BMA, 8: 4-NMA.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

4. Fig. 1
Chemical structures of the 8 synthesized and investigated amphetamine- and methamphetamine derivatives and their mass spectral data. Conditions: GC–MS, temperature programme 1; 1: 2-FMA, 2: 2-FA, 3: 3-BA, 4: 4-NA, 5: 2-CA, 6: 2-CMA, 7: 4-BMA, 8: 4-NMA.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

5. Fig. 2
Chromatogram of the simultaneous separation of all 8 compounds with GC/MS. Order of elution: 1: 2-fluoroamphetamine; 2: 2-fluoromethamphetamine; 3: 2-chloroamphetamine; 4: 2-chloromethamphetamine; 5: 4-bromoamphetamine; 6: 4-bromomethamphetamine; 7: 4-nitroamphetamine; 8: 4-nitromethamphetamine.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

6. Fig. 3
Chromatogram of the successful enantioseparation of 3 compounds with GC–MS; 1: 2-fluoroamphetamine, 2: 2-chloroamphetamine, 3: 4-bromoamphetamine; Conditions: temperature programme 2, derivatization with MTPA.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

7. Fig. 4
Overlay of three chromatograms showing the enantioseparation of the three different fluoroamphetamines with GC–MS. 1: 2-fluoroamphetamine; 2: 3-fluoroamphetamine; 3: 4-fluoroamphetamine.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

8. Fig. 5
Chromatogram of the simultaneous indirect chiral separation of 2-fluoroamphetamine (2), 3-fluoroamphetamine (1) and 4-fluoroamphetamine (3) with HPLC; Conditions: mobile phase: 2% sulfated beta-cyclodextrin in water pH 6: methanol (97.5:2.5), room temperature, flow: 1ml/min, UV: 270 nm.
Science and Justice  , 6-12DOI: ( /j.scijus )
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions

9. Science and Justice 2017 57, 6-12DOI: (10.1016/j.scijus.2016.08.007)
Copyright © 2016 The Chartered Society of Forensic Sciences Terms and Conditions