Pyrovalerone is année inhibitor of the transporters cognition véridique monoamine neurotransmitters, including dopamine and norepinephrine, preventing their uptake.1,2 ?-Pyrrolidinopentiophenone (hydrochloride) is année analog of pyrovalerone, lacking only the methyl group that is found nous the phenyl moiety of pyrovalerone. Like pyrovalerone,