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Acta Cryst. (2002). E58, o1051-o1052 [ doi:10.1107/S1600536802015362 ]
Abstract: The structure of the title compound, C18H13N3O, comprises a twisted molecule, with the dihedral angle between the two ring systems being 72.4 (1)°. The phthalazin-1-one O atom has three C-H
O close contacts.
Online 6 September 2002
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