1-Methyl-7-((methylamino)sulfonyl)-1H-benzimidazole-5-carboxylic acid 1H-BENZIMIDAZOLE-5-CARBOXYLIC ACID, 1-METHYL-7-((METHYLAMINO)SULFONYL)- 5-25-09-00242 (Beilstein Handbook Reference) 72020-18-9 BRN 0926746