3,4,5-Trihydroxy-6-oxo-1-(3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl)-6H-benzo(7)annulene-8-carboxylic acid
3,4,5-trihydroxy-6-oxo-1-(3,5,7-trihydroxy-3,4-dihydro-2h-chromen-2-yl)-6h-benzo(7)annulene-8-carboxylic acid