Pyrovalerone is année inhibitor of the transporters connaissance véritable 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 je the phenyl moiety of pyrovalerone. Like pyrovalerone,