In the title pyrazoline derivative, the pyrazoline ring makes angles of 86.73 (12) and 13.44 (12)° with the trisubstituted and disubstituted benzene rings, respectively. In the crystal structure, the molecules are connected into chains running in the b-axis direction by O—H⋯N hydrogen bonding. Parallel chains interact through N—H⋯O hydrogen bonds and π–π stacking of the trisubstituted phenyl rings.
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