methyl 2-bromo-6-fluoro-3-(hydroxymethyl)benzoate

methyl 2-bromo-6-fluoro-3-formylbenzoate

methyl 2-bromo-3-(1,3-dioxolan-2-yl)-6-fluorobenzoate

methyl 3-(1,3-dioxolan-2-yl)-6-fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

4-fluoro-1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborole-7-carbaldehyde