(R)-3-methyl-4-oxo-2-oxa-8-azaspiro[4.5]decane-8-carboxylic acid tert-butyl ester

(R)-3-methyl-4-oxo-2-oxa-8-azaspiro[4.5]decane-8-carboxylic acid tert-butyl ester · CAS 2172654-73-6