(S)-7-氨基-5-苄基-4-氧代-5-氮杂螺[2.4]庚烷

5-benzyl-5-azaspiro[2.4]heptane-4,7-dione

2-(benzylamino)-1-piperidin-1-ylethanone

(S)-(4-苄基哌嗪-2-基)甲醇

(R)-(4-苄基哌嗪-2-基)甲醇