8-((2S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydrochromen-8-yl)-5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
8-((2s)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydrochromen-8-yl)-5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one