Synonyms: 3',4'-(Methylenedioxy)-2-(1-pyrrolidinyl)butyrophenone Hydrochloride;3',4'-Methylenedioxy-α-pyrrolidinobutiophenone (hydrochloride);1-(1,3-Benzodioxol-5-yl)-2-(1-pyrrolidinyl)-1-butanone Hydrochloride;1-(3',4'-Methylenedioxyphenyl)-2-pyrrolidino-1-butanone Hydrochloride;3',4'-(Methylenedioxy)-α-pyrrolidinobutyrophenone;MDPBP Hydrochloride;1-(1,3-Benzodioxol-5-yl)-2-(1-pyrrolidinyl-d8)-1-butanone Hydrochloride;1-(3',4'-Methylenedioxyphenyl)-2-(pyrrolidino-d8)-1-butanone Hydrochloride