2,1,3-Benzothiadiazole-5-carbaldehyde71605-72-631 % similar 3-Chloro-5-fluorobenzaldehyde90390-49-131 % similar 2-Hydroxy-3,4-dimethoxybenzaldehyde19283-70-630 % similar 2-Hydroxy-4-nitrobenzaldehyde2460-58-430 % similar 3,5-Di-tert-butylsalicylaldehyde37942-07-730 % similar 3-Formyl-4-hydroxybenzoic acid584-87-230 % similar 4,6-Dimethoxysalicylaldehyde708-76-930 % similar Ethyl gallate831-61-830 % similar