N-Acetyl-2-hydroxy-N′-[methoxy(1-methylindol-2-yl)methyl]benzohydrazide

In the crystal structure of the title Schiff-base, C20H21N3O4, the amino group forms an N—H...O hydrogen bond to the acetyl group of an adjacent molecule, forming a zigzag chain. The 2-hydroxy group is internally hydrogen bonded to the amido group though an O—H...O hydrogen bond.