Showing structure for (1s,8s,9s,16s)-8-(3,4-dihydroxyphenyl)-16-(4-hydroxyphenyl)tetracyclo[7.7.0.0²,⁷.0¹⁰,¹⁵]hexadeca-2,4,6,10,12,14-hexaene-4,6,12,14-tetrol