Synonyms:
6-fluoro-1,2-dihydro-2-oxospiro[4h-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylic acid tert-butyl ester ; tert-butyl 6-fluoro-2-oxo-1,2-dihydrospiro[benzo[d][1,3]oxazine-4,4'-piperidine]-1'-carboxylate ; 6-fluoro-1,2-dihydro-2-oxospiro[4h-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylic acid 1,1-dimethyl ethyl ester ; 1'-boc-6-fluoro-1,2-dihydro-2-oxospiro[4h-3,1-benzoxazine-4,4'-piperidine]