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