3-Bromo-5-butoxyphenylboronic acid, pinacol ester
2-Propoxypyridine-3-boronicacidpinacolester
3-Formyl-2-methoxypyridine-4-boronicacidpinacolester
5-Bromo-2,6-dimethoxypyridine-3-boronic acid pinacol ester