英文同义词: | Spiro[3H-indole-3,4′-piperidine]-1′-carboxylic acid, 1,2-dihydro-4-methyl-2-oxo-…;Spiro[3H-indole-3,4'-piperidine]-1'-carboxylic acid, 1,2-dihydro-4-methyl-2-oxo-, 1,1-dimethylethyl ester;tert-butyl 4-methyl-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate |