What is the M99 Drug? A Look at the Potent Veterinary Opioid Etorphine
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4 min read
With a potency estimated to be 1,000 to 3,000 times greater than morphine, the M99 drug is one of the most powerful opioids in existence. Primarily known by its generic name, etorphine, this substance is a cornerstone in specialized veterinary medicine for immobilizing large, wild animals.