IUPAC:9-hydroxy-3,4,5,19-tetramethoxy-9,10-dimethyl-15,17-dioxatetracyclo[10.7.0.0^{2,7}.0^{14,18}]nonadeca-1(12),2(7),3,5,13,18-hexaen-8-yl 2-methylbut-2-enoate
IUPAC:9-hydroxy-3,4,5,19-tetramethoxy-9,10-dimethyl-15,17-dioxatetracyclo[10.7.0.0^{2,7}.0^{14,18}]nonadeca-1(12),2(7),3,5,13,18-hexaen-8-yl 2-methylbut-2-enoate