1-(2-Fluoro-5-methyl-phenyl)-3-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-urea can be used as intermediates ... .2%,1-(5-Fluoro-2-methyl-phenyl)-3-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-urea Less than 0.05%. 1-(2-fluoro-5- ... methylphenyl)-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2 ...