title: 2-Hydroxy-amino-2-oxoacetohydrazide.
abstract: In the title compound, C(2)H(5)N(3)O(3), the hydroxamic group adopts an anti orientation with respect to the hydrazide group. In the crystal, mol-ecules are connected by N-H⋯O and O-H⋯N hydrogen bonds into zigzag chains along the c axis.
authors.forename: Oleksandra S
authors.initials: OS
authors.lastname: Trofymchuk
authors.forename: Svetlana V
authors.initials: SV
authors.lastname: Pavlova
authors.forename: Vladimir
authors.initials: V
authors.lastname: Bon
authors.forename: Alexander N
authors.initials: AN
authors.lastname: Boyko
authors.forename: Vasily
authors.initials: V
authors.lastname: Pekhnyo