1-(4-fluorophenyl)-4-(4-methylpiperidin-1-yl)butan-1-one-D4; 1-(4-Fluorophenyl-d4)-4-(4-methyl-1-piperidinyl)-1-butanone Hydrochloride; Methylperone-d4 Hydrochloride; Flubuperone-d4 Hydrochloride; 4-Fluoro-?-(4-methylpiperidino)butyrophenone-d4 Hydrochloride; 4'-Fluoro-4-(4-methylpiperidino)butyrophenone-d4 Hydrochloride; Buronil-d4 Hydrochloride; FG 5111-d4 Hydrochloride; ?-(4-Methylpiperidino)-p-fluorobutyrophenone-d4 Hydrochloride