Showing structure for (2s,4'r,12'r)-4,6,8'-trihydroxy-4',12'-bis(4-hydroxyphenyl)-4'-methoxy-5',13'-dioxaspiro[1-benzofuran-2,3'-tricyclo[7.4.0.0²,⁶]tridecane]-1',6',8'-trien-3-one