Showing structure for (8s,9r)-16-(3,4-dihydroxyphenyl)-8-(4-hydroxyphenyl)-15-oxatetracyclo[8.6.1.0²,⁷.0¹⁴,¹⁷]heptadeca-1(16),2,4,6,10(17),11,13-heptaene-3,4,6,9,12-pentol