133830-92-9 2H,6H-Benzo(1,2-b:5,4-b')dipyran-6-one, 5-hydroxy-7-(4-hydroxy-3-methoxyphenyl)-2,2-dimethyl-10-(3-methyl-2-butenyl)- 2H,6H-Benzo(1,2-b:5,4-b')dipyran-6-one, 5-hydrozy-7-(4-hydroxy-3-methoxyphenyl)-2,2-dimethyl-10-(3-methyl-2-butenyl)- 7-(4'-Hydroxy-3'-methoxyphenyl)-5-hydroxy-2,2-dimethyl-10-prenyl-2H,6H-benzo-(1,2-b-5,4-b')dipyran-6-one Flemiphilippinin C