英文别名tert-butyl 5,7-dioxo-2,8-diazaspiro[3.5]nonane-2-carboxylate; 2-BOC-7,9-DIOXO-2,6-DIAZASPIRO[3.5]NONANE; 2,6-DIAZASPIRO[3.5]NONANE-2-CARBOXYLIC ACID,7,9-DIOXO-,1,1-DIMETHYLETHYL ESTER; 2-Boc-2,6-diazaspiro[3.5]nonane-7,9-dione; 7,9-Dioxo-2,6-diaza-spiro[3,5]nonane-2-carboxylic acid tert-butyl ester; 1,1-Dimethylethyl 7,9-dioxo-2,6-diazaspiro[3.5]nonane-2-carboxylate 
