1'-Hydroxy-1,3-dihydro-3-phenyl-spiro(isobenzofuran-1,4'-piperidine) 1'-Hydroxy-3-phenylspiro(isobenzofuran-1(3H),4'-piperidine) 61715-22-8 Spiro(isobenzofuran-1(3H),4'-piperidine), 1'-hydroxy-3-phenyl-