Acta Crystallographica Section E (May 2009)
4-Hydroxy-N′-(4-hydroxybenzoyl)benzohydrazide
Abstract
In the molecule of the title compound, C14H12N2O4, the two benzene rings make a dihedral angle of 84.53 (8)°. O—H...O and N—H...O hydrogen bonds link adjacent molecules into a layer structure.