2,4-Dihydroxy-3-formylquinoline 2,4-Dihydroxy-3-quinolinecarboxaldehyde 3-Formyl-2,4-dihydroxyquinoline 3-Quinolinecarboxaldehyde (9CI), 1,2-dihydro-4-hydroxy-2-oxo- 3-Quinolinecarboxaldehyde, 2,4-dihydroxy- 529-89-5 NSC16027 Nordictamnal