2-Amino-4,5-dimethylbenzenesulfonic acid56375-83-832 % similar 2,5-Dimethylbenzenesulfonic acid609-54-132 % similar 2,4-Dimethylbenzenesulfonic acid88-61-932 % similar N-(4-Chloro-2,5-dimethoxyphenyl)-3-oxobutanamide4433-79-831 % similar Acetoacet-o-anisidide92-15-931 % similar Guaiacylacetone2503-46-030 % similar (3,4-Dimethoxyphenyl)acetone776-99-830 % similar