tert-Butyl 3-bromo-5,6-dihydrospiro[benzo[d]imidazo[1,2-a]azepine-11,4'-piperidine]-1'-carboxylate 1g

tert-Butyl 3-bromo-5,6-dihydrospiro[benzo[d]imidazo[1,2-a]azepine-11,4'-piperidine]-1'-carboxylate 1g