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Product Description
Fentanyl, also spelled fentanil, is a powerful opioid used as a pain medication and together with other medications for anesthesia. It is also used as a recreational drug, sometimes mixed with heroin, methamphetamine, or cocaine. It has a rapid onset and its effects generally last under two hours.
Formula: C22H28N2O
Molar mass: 336.471 g/mol
CAS ID: 437-38-7
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5fmda19 or also called 5fmda19 is a new development, designer ...