In the title mol-ecule, C(14)H(10)O(4)Se, the dihedral angle between the two benzene rings is 74.6 (1)°. Both hy-droxy-benzaldehyde groups form intra-molecular O-H⋯O hydrogen bonds.
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November 2008
In the title mol-ecule, C(16)H(14)ClN(3)O(2), the dihedral angle between the chloro-phenyl and pyrimidinone rings is 14.8 (1)°, while the dihedral angle between the fused benzene ring and the pyrimidinone ring is 3.8 (1)°.
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October 2008
In the title mol-ecule, C(16)H(15)FN(4)O, the dihedral angle between the fluoro-substituted benzene ring and the pyrimidinone ring is 52.34 (7)°, while the dihedral angle between the fused benzene ring and the pyrimidinone ring is 3.30 (6)°.
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April 2008
In the title compound, C(23)H(21)FN(6)O, the dihedral angle between the fluoro-phenyl and pyrimidinone rings is 75.9 (1)°, and the dihedral angle between the methyl-phenyl and pyrazole rings is 40.3 (1)°.
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