1H-pyrrolo[3,2-b]pyridine-3-carboxaldehyde, 5-methoxy- 5-methoxy-1H-pyrrolo[3,2-b]pyridine-3-carbaldehyde InChI=1/C9H8N2O2/c1-13-8-3-2-7-9(11-8)6(5-12)4-10-7/h2-5,10H,1H