5-hydroxy-3-methylfuro[2,3-f]quinoline-2-carbaldehyde dimethylhydrazone InChI=1/C15H15N3O2/c1-9-11-7-12(19)14-10(5-4-6-16-14)15(11)20-13(9)8-17-18(2)3/h4-8,19H,1-3H3/b17-8 furo[2,3-f]quinoline-2-carboxaldehyde, 5-hydroxy-3-methyl-, dimethylhydrazone