Samuel Wei Xiong Loh

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Clandestine heroin laboratories have been a feature of the Malaysian illicit drug scene since soon after the abuse of heroin emerged in 1972. The first few clandestine heroin laboratories which synthesised heroin via the acetylation of imported morphine were uncovered in 1973 and 1977. By the mid-1980s, this type of laboratory was replaced by heroin-cutting(More)
Quinolin-8-yl 1-(5-fluoropentyl)-1H-indole-3-carboxylate (5-Fluoro-PB-22 or 5F-PB-22; QUPIC N-(5-fluoropentyl) analog), is a synthetic cannabinoid which mimics the effects of cannabis. Several countries have reported numerous detections of this compound and its abuse has led to adverse effects including death. The aim of this study was to separate and(More)
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