690632-38-3

1’-Boc-6-bromospiro[chroman-2,4’-piperidin]-4-one tert-Butyl 6-broMo-4-oxospiro[chroMan-2,4'-piperidine]-1'-carboxylate tert-butyl 6-bromo-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate Tert-butyl 6-bromo-4-oxospiro[3h-chromene-2,4'-piperidine]-1'-carboxylate TERT-BUTYL6-BROMO-4-OXO-3,4-DIHYDRO-1'H-SPIRO[CHROMENE-2,4'-PIPERIDINE!-1'-CARBOXY tert-Butyl 6-bromo-4-oxo-3,4-dihydro-1'H-spiro(chromene-2,4'-piperidine)-1'-carboxylate 6-Bromo-3,4-dihydro-4-oxo-spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylic acid tert-butyl ester 6-bromo-3,4-dihydro-4-oxo-spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylic acid 1,1-dimethylethyl ester Spiro[2H-1-benzopyran-2,4'-piperidine]-1'-carboxylic acid, 6-bromo-3,4-dihydro-4-oxo-, 1,1-dimethylethyl ester