tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,8-dihydro-1,7-naphthyridine-7(6H)-carboxylate 250mg

tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,8-dihydro-1,7-naphthyridine-7(6H)-carboxylate 250mg