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What Is U-49900?

U-49900 is a designer drug that belongs to the category of opioid preparations. The IUPAC name of the substance is trans-3,4-dichloro-N-[2-(diethylamino)cyclohexyl]-N-methyl-benzamide. The purity of this chemical is more than 98%. The formula weight of U-49900 is 357.3 g/mol. This opioid drug is considered an equivalent of U-47700 with two methyl replaced into ethyl, though according to the reviews of those, who tried it, they`ve got little in common.