1,2-Dimethyl-7-((methylamino)sulfonyl)-1H-benzimidazole-5-carboxylic acid 1H-BENZIMIDAZOLE-5-CARBOXYLIC ACID, 1,2-DIMETHYL-7-((METHYLAMINO)SULFONYL)- 5-25-09-00242 (Beilstein Handbook Reference) 72020-31-6 BRN 0930687