英文别名1-Boc-4'-oxo-spiro[piperidine-4,2'-oxane[3,2-b]Py]; 1-BOC-4-OXO-3,4-DIHYDROSPIRO[PIPERIDINE-4,2-PYRANO[3,2-B]PYRIDINE]; Spiro[piperidine-4,2'-[2H]pyrano[3,2-b]pyridine]-1-carboxylic acid, 3',4'-dihydro-4'-oxo-, 1,1-dimethylethyl ester; 1-Boc-3',4'-dihydro-4'-oxo-spiro[piperidine-4,2'-[2H]pyrano[3,2-b]pyridine]; tert-butyl 4-oxospiro[3H-pyrano[3,2-b]pyridine-2,4'-piperidine]-1'-carboxylate; tert-butyl 4'-oxo-3',4'-dihydro-1H-spiro[piperidine-4,2'-pyrano[3,2-b]pyridine]-1-carboxylate; 1-BOC-4'-OXO-3',4'-DIHYDROSPIRO[PIPERIDINE-4,2'-PYRANO[3,2-B]PYRIDINE] 
