Robuta

https://phytochem.nal.usda.gov/chemical-2-o-alpha-rhamnosyl-6c-6-deoxo-xylo-hexos-4-ulosyl-chrysoeriol Chemical 2'-O-ALPHA-RHAMNOSYL-6C-(6-DEOXO-XYLO-HEXOS-4-ULOSYL)-CHRYSOERIOL | Dr. Duke's... https://www.semanticscholar.org/topic/S-xylo-hexos-4-ulose/9123555 S-xylo-hexos-4-ulose | Semantic Scholar xylohexossemanticscholar