6-Oxo-9-Phenyl-2,7-Diaza-Spiro[4.4]Nonane-2-Carboxylic Acid Tert-Butyl Ester

6-Oxo-9-Phenyl-2,7-Diaza-Spiro[4.4]Nonane-2-Carboxylic Acid Tert-Butyl Ester · CAS 1290627-02-9