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