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Abstract
A wide variety of new synthetic cannabinoids have emerged around the world in recent years, and because of this rapid emergence, the detection and monitoring of this class of abused drugs remain a challenge. In this study, a new cannabimimetic indazole-3-carboxamide derivative, N-(1-amino-3,3-dimethyl-1-oxobutan-2-yl)− 5-bromo-1 H-indazole-3-carboxamide, was identified from seized e-cigarette liquid samples and newly named as ADB-BRINACA by referring to the names of other known indazole-class synthetic cannabinoids. Structure identification was accomplished based on gas chromatography-mass spectrometry (GC-MS), high-performance liquid chromatography-high resolution quadrupole mass spectrometry (HPLC-QTOF-MS/MS), and nuclear magnetic resonance spectrometry (NMR). The concentration range of ADB-BRINACA in six e-cigarette liquid samples was found to be 2228–4203 mg/L using ERETIC 2, a quantitative NMR method, which is advantageous in the absence of a reference material. As there have been no chemical or pharmaceutical reports on ADB-BRINACA until now, this is the first report presenting a comprehensive analytical characterization of ADB-BRINACA.
Published Version
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