5-Chloro-2-methylphenylboronic acid148839-33-231 % similar (4-Chloro-2-methylphenyl)boronic acid209919-30-231 % similar 3-Chlorophenylboronic acid63503-60-631 % similar 1-(1-Methylethyl) 3-boronobenzoate342002-80-631 % similar 1-(tert-Butoxycarbonyl)-L-tryptophan146645-63-830 % similar