In the title molecule, C18H16N4O3, the substituted p-nitrophenyl ring is almost coplanar with the pyrazoline ring [dihedral angle = 8.2 (4)°], whereas the phenyl ring directly attached to the pyrazoline ring forms a dihedral angle of 54.5 (2)°.
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Document Type: Research Article
Publication date: December 1, 2004