2-Trifluoroacetylpyridine-4-boronicacid
2-Chloro-3-fluoropyridine-5-boronicacid
2-Chloro-6-methylpyridine-3-boronicacid
4-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-B]pyridine-5-boronicacid