Robuta

https://phytochem.nal.usda.gov/chemical-2557-tetrahydroxy-68-dimethoxyflavone Chemical 2',5,5',7-TETRAHYDROXY-6',8-DIMETHOXYFLAVONE | Dr. Duke's Phytochemical and Ethnobotanical... https://phytochem.nal.usda.gov/chemical-5-hydroxy-78-dimethoxyflavone Chemical 5-HYDROXY-7,8-DIMETHOXYFLAVONE | Dr. Duke's Phytochemical and Ethnobotanical Databases