2-((tert-Butyldimethylsilyloxy)methyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furo[3,2-b]pyr2-((tert-Butyldimethylsilyloxy)methyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furo[3,2-b]pyridine2-((tert-Butyldimethylsilyloxy)methyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furo[3,2-b]pyridine