4H-1-benzopyran-4-one, 2,3-dihydro-5,7-dimethoxy-2-(2,3,4-trimethoxyphenyl)- 5,7,2',3',4'-Pentamethoxyflavanone 5,7-Dimethoxy-2-(2,3,4-trimethoxy-phenyl)-chroman-4-one 5,7-dimethoxy-2-(2,3,4-trimethoxyphenyl)-2,3-dihydro-4H-chromen-4-one InChI=1/C20H22O7/c1-22-11-8-16(24-3)18-13(21)10-15(27-17(18)9-11)12-6-7-14(23-2)20(26-5)19(12)25-4/h6-9,15H,10H2,1-5H