ethyl 3-(4-fluoro-1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-7-yl)acrylate

2-bromo-6-fluoro-3-methylbenzoic acid methyl ester

ethyl 3-(4-fluoro-1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-7-yl)propanoate

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