CAS 693792-99-3 appears in our catalog under these names: 4-[(1,1-Dimethylethoxy)carbonyl](phenylmethyl)aminophenylboronic acid, 95%, (2-((4-(tert-Butoxycarbonyl)benzyl)amino)phenyl)boronic acid, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 10g, 5g, 25g, 1g.