IUPAC:methyl 8-hydroxy-4,5,7,10,14,14-hexamethyl-6,17-dioxo-16-oxapentacyclo[13.2.2.0^{1,13}.0^{2,10}.0^{5,9}]nonadeca-3,7-diene-9-carboxylate
IUPAC:methyl 8-hydroxy-4,5,7,10,14,14-hexamethyl-6,17-dioxo-16-oxapentacyclo[13.2.2.0^{1,13}.0^{2,10}.0^{5,9}]nonadeca-3,7-diene-9-carboxylate