2H-indol-2-one, 1,3-dihydro-3-methyl- 3-methyl-1,3-dihydro-2H-indol-2-one InChI=1/C9H9NO/c1-6-7-4-2-3-5-8(7)10-9(6)11/h2-6H,1H3,(H,10,11