2-chloro-5-nitrobenzoic acid,.;|2-chloro-5-nitrobenzoic acid,.; Mesalamine EP Impurity M|2-Chloro-5-nitrobenzoic Acid;|4-Chloro-3-carboxynitrobenzene;|5-Nitro-2-chlorobenzoic acid;|6-Chloro-3-nitrobenzoic acid;|NSC 8441