A xanthone from Shultesia guianensis.

@article{Monte2001AXF,
  title={A xanthone from Shultesia guianensis.},
  author={Francisco Monte and Fernanda Macedo Soares and Raimundo Braz-Filho},
  journal={Fitoterapia},
  year={2001},
  volume={72 6},
  pages={715-6}
}
The isolation of 1-hydroxy-3,7-dimethoxyxanthone (1) from Shultesia guianensis is reported along with relevant NMR spectra, including new data by two-dimensional NMR experiments (HMQC and HMBC).