英文别名2,7-DIAZA-SPIRO[4.4]NONANE-2-CARBOXYLIC ACID TERT-BUTYL ESTER; TERT-BUTYL 2,7-DIAZASPIRO[4.4]NONANE-2-CARBOXYLATE; 2-BOC-2,7-DIAZA-SPIRO[4.4]NONANE; 2,7-Diazaspiro[4.4]nonane-2-carboxylic acid, 1,1-diMethylethyl ester; 1,1-DiMethylethyl 2,7-diazaspiro[4.4]nonane-2-carboxylate; 2,7-Diazaspiro[4.4]nonane-2-carboxylic acid tert-butyl ester; 2-Methyl-2-propanyl 2,7-diazaspiro[4.4]nonane-2-carboxylate; 2-Boc-2,7-diazaspiro[4.4]nonane