127199-39-7
→
127199-44-4
(R)-7-叔丁氧基羰基氨基-5-氮杂螺[2.4]庚烷
127199-40-0
58632-95-4
2-(叔丁氧羰基氧亚氨基)-2-苯乙腈
127199-43-3