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Acta Cryst. (2012). E68, o3252
[ doi:10.1107/S1600536812044261 ]


K. Okuda, T. Hirota, Y. Nishina and H. Ishida

Abstract: In the title compound, C14H13ClN2O, the fused hydropyrimidine ring adopts an envelope conformation with one of the methylene C atoms at the flap. The three-membered ring is approximately perpendicular to the attached isoquinoline ring system, with a dihedral angle of 89.44 (11)°. In the crystal, molecules are linked by a weak C-H...[pi] interaction, forming a helical chain along the c axis.

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