Synonyms: 1-Butanone,1-(4-fluorophenyl)-4-(octahydrospiro[naphthalene-2(1H),4'-piperidin]-1'-yl)-,hydrochloride (9CI); Butyrophenone,4'-fluoro-4-(octahydrospiro[naphthalene-2(1H),4'-piperidin]-1'-yl)-,hydrochloride (7CI); Spiro[naphthalene-2(1H),4'-piperidine], 1-butanone deriv.