IUPAC:3-hydroxy-4,5,19-trimethoxy-9,10-dimethyl-15,17-dioxatetracyclo[10.7.0.0^{2,7}.0^{14,18}]nonadeca-1(19),2,4,6,12,14(18)-hexaen-11-yl 2-methylbut-2-enoate
IUPAC:3-hydroxy-4,5,19-trimethoxy-9,10-dimethyl-15,17-dioxatetracyclo[10.7.0.0^{2,7}.0^{14,18}]nonadeca-1(19),2,4,6,12,14(18)-hexaen-11-yl 2-methylbut-2-enoate