英文别名1-Oxa-4,8-diazaspiro[5.5]undecane-8-carboxylic acid tert-butyl ester; 1-Oxa-4,8-diazaspiro[5.5]undecane-8-carboxylic acid 1,1-dimethylethyl ester; 1,1-Dimethylethyl 1-oxa-4,8-diazaspiro[5.5]undecane-8-carboxylate; tert-Butyl 1-oxa-4,8-diazaspiro[5.5]undecan-8-carboxylate 
