IUPAC:(1R,2S,3S,9S,10R,17R)-2-(3,5-dihydroxyphenyl)-3,9,17-tris(4-hydroxyphenyl)-8-oxapentacyclo[8.7.2.0^{4,18}.0^{7,19}.0^{11,16}]nonadeca-4,6,11(16),12,14,18-hexaene-5,13,15-triol
IUPAC:(1R,2S,3S,9S,10R,17R)-2-(3,5-dihydroxyphenyl)-3,9,17-tris(4-hydroxyphenyl)-8-oxapentacyclo[8.7.2.0^{4,18}.0^{7,19}.0^{11,16}]nonadeca-4,6,11(16),12,14,18-hexaene-5,13,15-triol