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Substituted phenethylamines are a class of designer drugs that hold a significant position in the drug abuse market. The most important substances within this class appear to be 4-bromo-2,5-dimethoxyphenethylamine (2C-B) and its novel derivative 2-(4-bromo-2,5-dimethoxyphenyl)-N-(2-methoxybenzyl)ethanamine (25B-NBOMe). Intoxications related to 2C-B use are still recorded worldwide, despite the fact...
We present a validated gas chromatography-mass spectrometry method for the determination of Δ9-tetrahydrocannabinol and 11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid in bile samples. The method includes protein precipitation with acetonitrile after enzymatic hydrolysis, and solid-phase extraction followed by silylation using N,O-bis(trimethylsilyl)trifluoroacetamide with 1% trimethylchlorosilane...
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