3,4,5-Trihydroxy-N '-(1H-indol-3-ylmethylidene)benzohydrazide pentahydrate

The two aromatic parts of the title compound, C(16)H(13)N(3)O(4)center dot 5H(2)O, are connected through a conjugated-CH=N-NH-C(O)- fragment, giving an almost planar molecule. The organic molecules and uncoordinated water molecules are linked by N-H center dot center dot center dot O and O-H center dot center dot center dot O hydrogen bonds into a three-dimensional network