for the following products
2-Aminopyridine-5-boronic acid pinacol ester | 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine | 6-Aminopyridine-3-boronic acid pinacol ester and 2-Amino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine