252882-60-3

-piperidine 1’-Boc-spiro[indoline-3,4’-piperidin]-2-one -Boc-1,2-dihydro-2-oxo-spiro[3h-indole-3,4&rsquo Spiro[indole-3,4'-piperidin]-2(1H)-one,N1'-BOCprotected 1'-BOC-1,2-DIHYDRO-2-OXO-SPIRO[3H-INDOLE-3,4'-PIPERIDINE] tert-butyl 2-oxospiro[indoline-3.4-piperidine]-1-carboxylate tert-butyl 2-oxospiro[1H-indole-3,4'-piperidine]-1'-carboxylate tert-butyl 2-oxo-1,2-dihydrospiro[indole-3,4'- piperidine]-1'-carboxylate tert-Butyl 2-oxo-1,2-dihydro-1'H-spiro[indole-3,4'-piperidine]-1'-carboxylate 1,1-DiMethylethyl 1,2-dihydro-2-oxospiro[3H-indole-3,4'-piperidine]-1'-carboxylate 1,1-DiMethylethyl 2-oxo-1,2-dihydro-1'H-spiro[indole-3,4'-piperidine]-1'-carboxylate 1,2-DIHYDRO-2-OXO-SPIRO[3H-INDOLE-3,4'-PIPERIDINE]-1'-CARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER Spiro[3H-indole-3,4'-piperidine]-1'-carboxylic acid, 1,2-dihydro-2-oxo-, 1,1-diMethylethyl ester 1,2-Dihydro-2-oxo-spiro[3h-indole-3,4&#39-piperidine]-1&#39-carboxylic acid 1,1-dimethylethyl ester 1,1-Dimethylethyl1,2-dihydro-2-oxospiro[3H-indole-3,4'-piperidine]-1'-carboxylate/tert-butyl 2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate