(4'S)-6-Bromo-1'-(tert-butoxycarbonyl)-3,4-dihydro-2H-spiro[naphthalene-1,3'-pyrrolidine]-4'-carboxylic acid 1g

(4'S)-6-Bromo-1'-(tert-butoxycarbonyl)-3,4-dihydro-2H-spiro[naphthalene-1,3'-pyrrolidine]-4'-carboxylic acid 1g