3-(2-乙氧基-2-氧代亚乙基)氮杂环丁烷-1-甲酸叔丁酯; 3-乙氧基羰基亚甲基-氮杂丁烷-1-羧酸叔丁酯;

3-Ethoxycarbonylmethylene-azetidine-1-carboxylic acid tert-butyl ester; 1-Boc-3-ethoxycarbonylMethylene-azetidine; tert-Butyl 3-(2-ethoxy-2-oxoethylidene)azetidine-1-carboxylate 95%; 3-Ethoxycarbonylmethylene-azetidine-1-carboxylic acid tert-butyl este; 1-Azetidinecarboxylic acid, 3-(2-ethoxy-2-oxoethylidene)-, 1,1-dimethylethyl ester;