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Meyer, M.R.; Willheim, J.; Peters, F.T.; Maurer, H.H., Beta-keto amphetamines: studies on the metabolism of the designer drug mephedrone and toxicological detection of mephedrone, butylone, and methylone in urine using gas chromatography - mass pectrometry, Anal. Bioanal. Chem., 2010, 397, 3, 1225-1233, https://doi.org/10.1007/s00216-010-3636-5 . [all data]