(1-(tert-Butoxycarbonyl)-5-(methoxycarbonyl)-1H-pyrrol-2-yl)boronicacid
6-(Tetrahydropyran-4-yloxy)pyridine-3-boronicacid
6-(Imidazol-1-yl)pyridine-2-boronicacid
4-(N-ethylaminocarbonyl)phenylboronic acid