5-Chloro-2-methylphenylboronic acid148839-33-230 % similar 5-Fluoro-2-methylphenylboronic acid163517-62-230 % similar (4-Chloro-2-methylphenyl)boronic acid209919-30-230 % similar 5-Bromo-N,3-dimethylpyridin-2-amine245765-66-630 % similar 1,4-Benzenediboronic acid4612-26-430 % similar