IUPAC:6,13-dihydroxy-7,14-dimethoxy-2,9-dioxatetracyclo[6.6.2.0^{4,16}.0^{11,15}]hexadeca-1(15),4(16),5,7,11,13-hexaene-3,10-dione
IUPAC:6,13-dihydroxy-7,14-dimethoxy-2,9-dioxatetracyclo[6.6.2.0^{4,16}.0^{11,15}]hexadeca-1(15),4(16),5,7,11,13-hexaene-3,10-dione