1,3-dimethyl-1,3-dihydro-2H-benzimidazol-2-one 2H-benzimidazol-2-one, 1,3-dihydro-1,3-dimethyl- 3097-21-0 InChI=1/C9H10N2O/c1-10-7-5-3-4-6-8(7)11(2)9(10)12/h3-6H,1-2H