IUPAC:(1R,4R,5R,11R,12R,19R)-4-(3,5-dihydroxyphenyl)-5,11,19-tris(4-hydroxyphenyl)-6-oxapentacyclo[10.7.0.0^{2,10}.0^{3,7}.0^{13,18}]nonadeca-2,7,9,13(18),14,16-hexaene-9,15,17-triol
IUPAC:(1R,4R,5R,11R,12R,19R)-4-(3,5-dihydroxyphenyl)-5,11,19-tris(4-hydroxyphenyl)-6-oxapentacyclo[10.7.0.0^{2,10}.0^{3,7}.0^{13,18}]nonadeca-2,7,9,13(18),14,16-hexaene-9,15,17-triol