title: N'-(3-Eth-oxy-2-hydroxy-benzyl-idene)-3-hydroxy-naphthalene-2-carbohydrazide.
abstract: In the mol-ecule of the title compound, C(20)H(18)N(2)O(4), the dihedral angle between the benzene ring and the naphthyl ring system is 8.5 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H⋯O hydrogen bonds, forming chains running along the b axis.
authors.forename: Jun-Tao
authors.initials: JT
authors.lastname: Lei
authors.forename: Yan-Xia
authors.initials: YX
authors.lastname: Jiang
authors.forename: Li-Yan
authors.initials: LY
authors.lastname: Tao
authors.forename: Shan-Shan
authors.initials: SS
authors.lastname: Huang
authors.forename: Hou-Li
authors.initials: HL
authors.lastname: Zhang