116201-44-6

4H-1-Benzopyran-4-one,8-[5-(3,4-dihydro-5-hydroxy-7-methoxy-4-oxo-2H-1-benzopyran-2-yl)-2,3-dimethoxyphenyl]-2,3-dihydro-5-hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-7-methoxy-,[S-(R*,R*)]-