(1)Benzopyrano(5,4,3-cde)(1)benzopyran-5,10-dione, 2-hydroxy-3,7,8-trimethoxy- 124590-38-1 1617-49-8 3,3',4-O-Trimethylellagic acid 3,7,8-Tri-O-methylellagic acid Combretum caffrum ELLAGIC ACID, 3,3',4-TRI-O-METHYL NSC 333299