?????? 2-??????? tert-butyl 5-amino-4,4-difluoroazocane-1-carboxylate 2,2-Dimethoxy-2-phenylacetophenone tert-Butyl 5-bromopyrimidine-2-carboxylate tert-butyl 5-bromothiophene-2-carboxylate tert-Butyl 5-broMospiro[indoline-3,4'-piperidine]-1'-carboxylate tert-Butyl 5-bromopyridin-2-yl(ethyl)carbamate TERT-BUTYL 5-BROMOISOINDOLINE-2-CARBOXYLATE tert-Butyl 5-bromo-1-oxoisoindoline-2-carboxylate tert-Butyl 5-broMo-2H,3H-pyrrolo[2,3-b]pyridine-1-carboxylate Tert-butyl 5-bromo-2-fluoro-3-methylbenzoate tert-Butyl 5-bromo-3-chloro-2- fluorobenzoate tert-butyl 5-bromo-2-chloro-4-fluorobenzoate tert-butyl 5-bromo-4,4-dimethyl-1,2,3,4-tetrahydroisoquinol ine-2-carboxylate ETHYL 5-BROMO-2-CHLOROBENZOATE (5-Bromo-2-chlorophenyl)methanol Methyl 5-bromo-2-chlorobenzoate