IUPAC:4,6,11-trihydroxy-15-(4-hydroxyphenyl)-14-oxatetracyclo[7.6.1.0^{2,7}.0^{13,16}]hexadeca-1(15),2(7),3,5,9(16),10,12-heptaen-8-one
IUPAC:4,6,11-trihydroxy-15-(4-hydroxyphenyl)-14-oxatetracyclo[7.6.1.0^{2,7}.0^{13,16}]hexadeca-1(15),2(7),3,5,9(16),10,12-heptaen-8-one