Showing Reaction 17073
7-hydroxy-3-[7-hydroxy-2-(hydroxymethyl)-5-methoxy-2-methyl-3,4-dihydro-2H-1-benzopyran-6-yl]-4H-chromen-4-one={[7-hydroxy-6-(7-hydroxy-4-oxo-4H-chromen-3-yl)-5-methoxy-2-methyl-3,4-dihydro-2H-1-benzopyran-2-yl]methoxy}sulfonic acid