IUPAC:(1R,4R,5R,11S,18R,19S)-4-(3,5-dihydroxyphenyl)-5,18,19-tris(4-hydroxyphenyl)-6-oxapentacyclo[9.7.1.0^{2,10}.0^{3,7}.0^{12,17}]nonadeca-2,7,9,12(17),13,15-hexaene-9,14,16-triol
IUPAC:(1R,4R,5R,11S,18R,19S)-4-(3,5-dihydroxyphenyl)-5,18,19-tris(4-hydroxyphenyl)-6-oxapentacyclo[9.7.1.0^{2,10}.0^{3,7}.0^{12,17}]nonadeca-2,7,9,12(17),13,15-hexaene-9,14,16-triol