(9,9-Dimethyl-9H-fluoren-2,7-diyl)diboronic acid
3-(Tetrahydro-2H-pyran-2-yloxy)phenylboronic acid
3-(Pyrrolidin-1-ylmethyl)phenylboronic acid
5-Bromo-1-(tert-butoxycarbonyl)-1H-indol-2-ylboronic acid