Acta Cryst. (2003). E59, o1517-o1518  [ doi:10.1107/S1600536803020336 ]

3,7,8-Trihydroxy-3-methyl-10-oxo-4,10-dihydro-1H,3H-pyrano[4,3-b]chromene-9-carboxylic acid (fulvic acid) methanol 0.75-solvate

J.-F. Wang, M.-J. Fang, H.-Q. Huang, G.-L. Li, W.-J. Su and Y.-F. Zhao

Abstract: The title compound, C₁₄H₁₂O₈·0.75CH₄O, crystallizes in a centrosymmetric triclinic unit cell, which contains four independent essentially planar molecules and three methanol solvent molecules in the asymmetric unit. The molecules in the crystal are linked by a hydrogen-bonding network.

Online 24 September 2003

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