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Acta Cryst. (2012). E68, o24  [ doi:10.1107/S160053681105135X ]


H. Wang, C. Liu and F. Luo

Abstract: The oxolan-2-one ring in the title compound, C12H9NO4, has an envelope conformation with the atom linking the two five-membered rings being the flap atom.

Online 3 December 2011

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