About the Authors

Bryan L. Roth

Affiliation NIMH Psychoactive Drug Screening Program, Department of Pharmacology and Division of Chemical Biology and Medicinal Chemistry, University of North Carolina Chapel Hill Medical School, Chapel Hill, North Carolina, United States of America

Simon Gibbons

Affiliation Department of Pharmaceutical and Biological Chemistry, UCL School of Pharmacy, London, United Kingdom

Warunya Arunotayanun

Affiliation Department of Pharmaceutical and Biological Chemistry, UCL School of Pharmacy, London, United Kingdom

Xi-Ping Huang

Affiliation NIMH Psychoactive Drug Screening Program, Department of Pharmacology and Division of Chemical Biology and Medicinal Chemistry, University of North Carolina Chapel Hill Medical School, Chapel Hill, North Carolina, United States of America

Vincent Setola

Affiliation NIMH Psychoactive Drug Screening Program, Department of Pharmacology and Division of Chemical Biology and Medicinal Chemistry, University of North Carolina Chapel Hill Medical School, Chapel Hill, North Carolina, United States of America

Ric Treble

Affiliation LGC Forensics, London, United Kingdom

Les Iversen

les.iversen@pharm.ox.ac.uk

Affiliation Department of Pharmacology, University of Oxford, Oxford, United Kingdom

Competing Interests

One of the authors (RT) is employed by LGC Forensics though this does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials. No conflict of interest arises because of his employment. All other authors deny any potential conflict of interest relating to the contents of this paper.

Author Contributions

Conceived and designed the experiments: BLR LI. Performed the experiments: XPH VS. Analyzed the data: XPH VS. Wrote the paper: BLR SG WA XPH VS RT LI. Responsible for chemistry: WA SG RT.