Acta Cryst. (2012). E68, o3097
[ doi:10.1107/S1600536812041669 ]
Abstract: The molecule of the title compound, C9H8O2, is essentially planar except for the methylene H atoms [maximum deviation = 0.028 (1) Å]. In the crystal, the molecules are linked by classical O-HO hydrogen bonds and weak C-HO interactions into chains along  and [1-10].
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