5-(tert-Butylcarbamoyl)pyridine-3-boronicacid
6-(4-Benzylpiperazin-1-yl)pyridine-3-boronicacid
4-(Tert-butylcarbonylamino)phenylboronic acid
5-(2-Hydroxypropan-2-yl)pyridin-3-ylboronicacid