^Ali M. Emran. New Trends in Radiopharmaceutical Synthesis, Quality Assurance, and Regulatory Control. Springer, 1991. p84. ISBN0-306-44035-0
^Wohlfarth, Ariane; Weinmann, Wolfgang (2010). “Bioanalysis of new designer drugs”. Bioanalysis2 (5): 965–979. doi:10.4155/bio.10.32. ISSN1757-6180.
^Kavanagh P, Angelov D, O'Brien J, Fox J, O'Donnell C, Christie R, Power JD, McDermott SD. The syntheses and characterization 3β-(4-fluorobenzoyloxy)tropane (fluorotropacocaine) and its 3α isomer. Drug Testing and Analysis. 2011 Nov 18. doi:10.1002/dta.362PMID22102564
^Reitzel LA, Dalsgaard PW, Müller IB, Cornett C. Identification of ten new designer drugs by GC-MS, UPLC-QTOF-MS, and NMR as part of a police investigation of a Danish Internet company. Drug Testing and Analysis. 2011 Nov 18. doi:10.1002/dta.358PMID22102551