Synonyms:
tert-butyl2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate ; spiro[3h-indole-3,3'-pyrrolidine]-1'-carboxylic acid, 1,2-dihydro-2-oxo-, 1,1-dimethylethyl ester ; tert-butyl 2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-1'-carboxylate ; 2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-1'-carboxylic acid tert-butyl ester ; 1,2-dihydro-2-oxospiro[3h-indole-3,3'-pyrrolidine]-1'-carboxylic acid 1,1-dimethylethyl ester
