5-tert-butyl 6-methyl (6s)-4-oxo-5-azaspiro[2.4]heptane-5,6-dicarboxylate

5-tert-butyl 6-methyl (6s)-4-oxo-5-azaspiro[2.4]heptane-5,6-dicarboxylate · CAS 2102412-64-4