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Acta Cryst. (2002). E58, o1325-o1327 [ doi:10.1107/S1600536802019736 ]
Abstract: The structure of the title compound, C9H12O4, contains two independent molecules in the asymmetric unit, with an unusually strong twist around the norbornane C2-C3 bond.
Online 8 November 2002
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