IUPAC:4-(but-2-en-2-yl)-5,13,15-trichloro-6,14-dihydroxy-7,12-dimethyl-2,9-dioxatricyclo[9.4.0.0^{3,8}]pentadeca-1(15),3(8),4,6,11,13-hexaen-10-one
IUPAC:4-(but-2-en-2-yl)-5,13,15-trichloro-6,14-dihydroxy-7,12-dimethyl-2,9-dioxatricyclo[9.4.0.0^{3,8}]pentadeca-1(15),3(8),4,6,11,13-hexaen-10-one