1. Forensic Science International
GC–MS and IR studies on the six ring regioisomeric dimethoxybenzoyl-N- methylpiperazines (DMBzMPs) 
Karim M. Abdel-Hay, Cameron M. Terrell, Jack DeRuiter, C. Randall Clark 
Forensic Science International 
Volume 237, Pages (April 2014)
DOI: /j.forsciint
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

2. Fig. 1
EI mass spectra for the six regioisomeric dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

3. Fig. 2
Mass spectral fragmentation for the six regioisomeric dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

4. Fig. 3
Mass spectra for the d3- and d8- derivatives of 2, 5-dimethoxybenzoyl-N-methylpiperazine.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

5. Fig. 4
Mechanism for the formation of the m/z 70 cation in the six regioisomeric dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

6. Fig. 5
Mechanism for the formation of the m/z 83 cation in the six regioisomeric dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

7. Fig. 6
Mechanism for the formation of the m/z 207 cation in the six regioisomeric dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

8. Fig. 7 FTIR spectra of the six dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

9. Fig. 8
Gas chromatographic separation of the six regioisomeric dimethoxybenzoyl-N-methylpiperazines.
Forensic Science International  , 53-61DOI: ( /j.forsciint )
Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions