1179337-13-3
tert-butyl 4-[[(2-bromo-2,2-difluoro-acetyl)amino]methyl]-4-hydroxy-piperidine-1-carboxylate
→
~31%
1179337-14-4
9-Boc-2,2-二氟-3-氧代-1-噁-4,9-二氮杂螺[5.5]十一烷
392331-66-7
4-(氨基甲基)-4-羟基哌啶-1-甲酸叔丁酯