The 2-alkyl-2H-indazole regioisomers of synthetic cannabinoids AB-CHMINACA, AB-FUBINACA, AB-PINACA, and 5F-AB-PINACA are possible manufacturing impurities with cannabimimetic activities

Abstract Electronic supplementary material: The online version of this article (doi:10.1007/s11419-016-0316-y) contains supplementary material, which is available to authorized users. Article type: Research Article Keywords: Indazole synthetic cannabinoid, 2, Manufacturing impurity with cannabinoid activity, CHMINACA, FUBINACA, PINACA Authors: Mitchell Longworth, Samuel D. Banister, James B. C. Mack, Michelle Glass, Mark Connor, Michael Kassiou Affiliations: School of Chemistry, The University of Sydney, Sydney, NSW 2006 Australia; Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA USA; Department of Chemistry,