4-Chloro-3-(chlorosulfonyl)-5-nitrobenzoic acid22892-95-130 % similar Davicil13108-52-630 % similar 3,4-Dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid175202-55-830 % similar 4-Chloro-3-(chlorosulphonyl)benzoic acid2494-79-330 % similar 5-(Aminosulfonyl)-2,4-dichlorobenzoic acid2736-23-430 % similar 2-Chloro-3,4-dimethoxybenzoic acid52009-53-730 % similar