Clark, CR; DeRuiter, J. Analytical and synthetic studies on designer drugs of the piperazine class, US DOJ, 1 Dec 2014. 15.6 MB. #4-ClPP
Adamowicz, P; Zuba, D. Discrimination among designer drug isomers by chromatographic and spectrometric methods. In Chromatographic Techniques in the Forensic Analysis of Designer Drugs; Kowalska, T; Sajewicz, M; Sherma, J, Eds., CRC Press, Taylor & Francis Group, 1 Jan 2018; pp 211–232. 1.1 MB.
Takahashi, M; Nagashima, M; Suzuki, J; Seto, T; Yasuda, I; Yoshida, T. Creation and application of psychoactive designer drugs data library using liquid chromatography with photodiode array spectrophotometry detector and gas chromatography–mass spectrometry. Talanta, 15 Feb 2009, 77 (4), 1245–1272. 1.2 MB. https://doi.org/10.1016/j.talanta.2008.07.062 #4CPP
EMCDDA. New drugs in Europe, 2006, European Monitoring Centre for Drugs and Drug Addiction, Lisbon, 1 May 2007. 375 kB. #pCPP
Okamoto, K; Akimoto, S; Ando, T; Ikeda, Y; Kurashima, N. Differentiation of regioisomeric analogs of controlled substances using GC-IR. JCCL, 1 Oct 2016, (56), 49–70. 4.5 MB. #4CPP Japanese, English abstract GC,MS,IR