2197055-58-4

tert-Butyl 4-?uoro-2-oxospiro[indoline-3, 4'-piperidine]-1'-carboxylate tert-Butyl 4-fluoro-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate tert-Butyl 4-fluoro-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate Spiro[3H-indole-3,4′-piperidine]-1′-carboxylic acid, 4-fluoro-1,2-dihydro-2-oxo-… Spiro[3H-indole-3,4'-piperidine]-1'-carboxylic acid, 4-fluoro-1,2-dihydro-2-oxo-, 1,1-dimethylethyl ester