In the title compound, C17H20N2O3, the cyclobutane ring is puckered, with a dihedral angle of 19.11 (15) degrees. The 1-phenyl and 3-[1-hydroxyimino-2-(succinimido)ethyl] groups are in cis positions. The molecules are linked by O-H...O and C-H...pi(benzene) interactions, forming a two-dimensional network.