The central four-membered azetidinone ring of the title compound is pu
ckered significantly with an average ring torsion angle of 5.1(1). Mol
ecules form infinite two-dimensional hydrogen-bonded networks via N-H.
..N [N...N 3.379 (3) Angstrom] and N-H...O [O...0 3.056 (3) Angstrom]
interactions.