Naturally occurring xanthones; latest investigations: isolation, structure elucidation and chemosystematic

Hesham R El-Seedi1, Dina M H El-Ghorab, Mai A El-Barbary

  • 1Pharmacognosy Division, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75123 Uppsala, Sweden. hesham.el-seedi@fkog.uu.se