7,9,12-trihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one
7,9,12-trihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one
7,9,12-trihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one
7,9,12-trihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one
7,9,12-trihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one
7,9,12-trihydroxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one