2-Chloro-4-(trifluoromethyl)benzaldehyde82096-91-130 % similar 2-Bromo-4-(trifluoromethyl)benzaldehyde85118-24-730 % similar 5-Chloro-2-formylphenylboronic acid870238-36-130 % similar 4-Formyl-1,3-benzenedisulfonic acid88-39-130 % similar