Showing structure for 4-hydroxy-3-[4,6,12-trihydroxy-8,16-bis(4-hydroxyphenyl)-15-oxatetracyclo[8.6.1.0²,⁷.0¹⁴,¹⁷]heptadeca-2,4,6,10,12,14(17)-hexaen-9-yl]benzaldehyde