英文同义词
5-Azaspiro[2.4]heptane-5,6-dicarboxylic acid, 5-(1,1-dimethylethyl) ester;5-[(tert-butoxy)carbonyl]-5-azaspiro[2.4]heptane-6-carboxylic acid;5-Aza-spiro[2.4]heptane-5,6-dicarboxylic acid 5-tert-butyl ester;5-Boc-5-azaspiro[2.4]heptane-6-carboxylic Acid