英文别名tert-butyl 4-oxospiro[3H-chromene-2,4'-piperidine]-1'-carboxylate; 4-OXO-2-SPIRO(N-BOC-PIPERIDINE-4-YL)-BENZOPYRAN; tert-butyl 4-oxo-3,4-dihydro-1'H-spiro[chromene-2,4'-piperidine]-1'-carboxylate; N-Boc-spiro[2H-1-benzopyran-2,4'-piperidine]4(3H)-one; Spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylic acid, 3,4-dihydro-4-oxo-, 1,1-dimethylethyl ester; 4-Oxo-2-spiro(N-Boc-piperidin-4-yl)-benzopyran; tert-butyl 4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate; 4-Oxo-2-spiro(N-Boc-piperidine-4-yl)benzopyran 
