Squelette diazaspiro

tert-Butyl5,5-difluoro-2,7-diazaspiro[3.5]nonane-2-carboxylate structure
SL1112015
tert-Butyl5,5-difluoro-2,7-diazaspiro[3.5]nonane-2-carboxylate
CAS 2007920-32-1
Diazaspiro scaffold Boc-protected amine Fluorinated heterocyclic building block Pharmaceutical intermediate