2(1H)-quinolinone, 4-hydroxy-1,3-dimethyl- 4-hydroxy-1,3-dimethylquinolin-2(1H)-one InChI=1/C11H11NO2/c1-7-10(13)8-5-3-4-6-9(8)12(2)11(7)14/h3-6,13H,1-2H