3,4,5-trihydroxy-6-{[3-hydroxy-2-methoxy-6-(3,5,7-trihydroxy-2H-chromen-2-ylidene)cyclohexa-2,4-dien-1-ylidene]oxy}oxane-2-carboxylic acid
3,4,5-trihydroxy-6-{[3-hydroxy-2-methoxy-6-(3,5,7-trihydroxy-2h-chromen-2-ylidene)cyclohexa-2,4-dien-1-ylidene]oxy}oxane-2-carboxylic acid