2-氰基-7-氮杂螺[3.5]壬烷-7-羧酸叔丁酯

7-叔丁氧基羰基-7-氮杂螺[3.5]-2-壬醇

2-氧代-7-氮杂螺[3.5]壬烷-7-甲酸叔丁酯

(7-Aza-spiro[3.5]non-2-yl)-acetic acid ethyl ester

7-Aza-spiro[3.5]nonane-2-carboxylic acid methyl ester