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3-Methyl-1-(3-nitro-phen-yl)-5-phenyl-4,5-dihydro-1H-pyrazole. 2009

Jun-Qiang Chen, and He-Ping Li, and Chang-Shan Huang, and Jin-Ying Wu

In the title compound, C(16)H(15)N(3)O(2), the planar [maximum deviation 0.156 (2) Å] pyrazoline ring is nearly coplanar with the 3-nitro-phenyl group and is approximately perpendicular to the phenyl ring, making dihedral angles of 3.80 (8) and 80.58 (10)°, respectively. Weak inter-molecular C-H⋯O hydrogen bonding is present in the crystal structure.

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