A short lived euphoric stimulant, developed as an analogue of MDMA, which was extremely popular in the research chemical scene before being banned. Commonly seen on street markets but rarer online. Very strong urge to redose compulsively:https://
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Research Chemical
Research chemicals are drugs with relatively little history of human use, and thus particular care should be taken if choosing to ingest them:https://allcaredrugstore.net/product/mephedrone/