3-quinolinecarbonitrile, 1,2-dihydro-4-hydroxy-1-methyl-2-oxo- 4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carbonitrile InChI=1/C11H8N2O2/c1-13-9-5-3-2-4-7(9)10(14)8(6-12)11(13)15/h2-5,14H,1H