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Acta Cryst. (2012). E68, o245  [ doi:10.1107/S1600536811054730 ]


J. H. Cha, Y. H. Kim, J. K. Lee and Y. S. Cho

Abstract: In the title compound, C21H21NO6, each of the cyclohexenone rings adopts a half-chair conformation. Each of the pairs of hydroxy and carbonyl O atoms are oriented to allow for the formation of intramolecular O-H...O hydrogen bonds, which are typical of xanthene derivatives.

Online 23 December 2011

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