英文同义词: | tert-butyl (R)-6,8-dioxo-2,7-diazaspiro[4.4]nonane-2-carboxylate;tert-butyl 1,3-dioxo-2,7-diazaspiro[4.4]nonane-7-carboxylate;tert-Butyl6,8-dioxo-2,7-diazaspiro[4.4]nonane-2-carboxylate;2,7-Diazaspiro[4.4]nonane-2-carboxylic acid, 6,8-dioxo-, 1,1-dimethylethyl ester |