4-羟基氮杂环庚烷-1-羧酸叔丁酯

氮杂环庚-4-酮

4-氨基氮杂环庚烷-1-羧酸叔丁酯

6-tert-butyl 3-ethyl-2-amino-4,5,7,8-tetrahydro-6H-thieno[2,3-d]azepine-3,6-dicarboxylate

7-O-tert-butyl 3-O-ethyl 2-amino-4,5,6,8-tetrahydrothieno[2,3-c]azepine-3,7-dicarboxylate