| 3-[(tert-butoxycarbonyl)amino]phenylboronic acid (contains varying amounts of anhydride) |
| 3-[(tert-butoxycarbonyl)amino]benzeneboronic acid (contains varying amounts of anhydride) |
| 3-(boc-amino)phenylboronic acid (contains varying amounts of anhydride) |
| 3-(boc-amino)benzeneboronic acid (contains varying amounts of anhydride) |