Showing structure for (2'r,3s)-4',6,6'-trihydroxy-2'-(4-hydroxyphenyl)-7-methoxy-4-[(1e)-2-[(2'r,3r)-4',6,6'-trihydroxy-2'-(4-hydroxyphenyl)-2-oxo-2'h-3,3'-spirobi[[1]benzofuran]-4-yl]ethenyl]-2'h-3,3'-spirobi[[1]benzofuran]-2-one