英文别名4-Boc-1-Oxa-4,9-diazaspiro[5.5]undecane; 1-Oxa-4,9-diazaspiro[5.5]undecane-4-carboxylic acid, 1,1-diMethylethyl ester; tert-Butyl9H-1-oxa-4,9-diazaspiro[5.5]undecane-4-carboxylate; 1,1-Dimethylethyl 1-oxa-4,9-diazaspiro[5.5]undecane-4-carboxylate; 1-Oxa-4,9-diazaspiro[5,5]undecane-4-carboxylate tert-butyl ester; tert-Butyl 1-oxa-4,9-diazaspiro[5.5]undecan-4-carboxylate 
