Accepted Manuscript Title: GC-MS Differentiation of the Six Regioisomeric Dimethoxybenzoyl-1-pentylindoles: Isomeric Cannabinoid Substances Author: Karim M. Abdel-Hay Jack DeRuiter Forrest Smith Amsha S. Alsegiani Amber Thaxton-Weissenfluh C. Randall Clark PII: S0731-7085(16)30198-4 DOI: http://dx.doi.org/doi:10.1016/j.jpba.2016.04.012 Reference: PBA 10613 To appear in: Journal of Pharmaceutical and Biomedical Analysis Received date: 2-3-2016 Revised date: 7-4-2016 Accepted date: 10-4-2016 Please cite this article as: Karim M.Abdel-Hay, Jack DeRuiter, Forrest Smith, Amsha S.Alsegiani, Amber Thaxton-Weissenfluh, C.Randall Clark, GC-MS Differentiation of the Six Regioisomeric Dimethoxybenzoyl-1-pentylindoles: Isomeric Cannabinoid Substances, Journal of Pharmaceutical and Biomedical Analysis http://dx.doi.org/10.1016/j.jpba.2016.04.012 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.