英文同义词: | 2,6-DIAZA-SPIRO[3.4]OCTANE-2,8-DICARBOXYLIC ACID 2-TERT-BUTYL ESTER 8-ETHYL ESTER;O2-tert-butyl O5-ethyl 2,7-diazaspiro[3.4]octane-2,5-dicarboxylate;2-(tert-butyl) 8-ethyl 2,6-diazaspiro[3.4]octane-2,8-dicarboxylate;2,6-Diazaspiro[3.4]octane-2,8-dicarboxylic acid, 2-(1,1-dimethylethyl) 8-ethyl ester |