2454-72-0 4-hydroxy-5-methoxy-2-nitrobenzaldehyde InChI=1/C8H7NO5/c1-14-8-2-5(4-10)6(9(12)13)3-7(8)11/h2-4,11H,1H benzaldehyde, 4-hydroxy-5-methoxy-2-nitro-