1-methyl-2-(methylsulfonyl)-1H-benzimidazole 1H-benzimidazole, 1-methyl-2-(methylsulfonyl)- InChI=1/C9H10N2O2S/c1-11-8-6-4-3-5-7(8)10-9(11)14(2,12)13/h3-6H,1-2H