tert-Butyl 3-(((6-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)oxy)methyl)pyrrolidine-1-carboxylate 1g

tert-Butyl 3-(((6-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)oxy)methyl)pyrrolidine-1-carboxylate 1g