27782-63-4 4H-1-Benzopyran-4-one, 5,7-dihydroxy-3,6-dimethoxy-2-(4-methoxyphenyl)- 5,7-Dihydroxy-3,6,4'-trimethoxyflavone 5,7-Dihydroxy-3,6-dimethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one Santin