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