IUPAC:9-hydroxy-3,4-dimethoxy-11,11-dimethyl-5-(propan-2-yl)-16-oxatetracyclo[6.6.2.0^{1,10}.0^{2,7}]hexadeca-2,4,6-trien-15-one
IUPAC:9-hydroxy-3,4-dimethoxy-11,11-dimethyl-5-(propan-2-yl)-16-oxatetracyclo[6.6.2.0^{1,10}.0^{2,7}]hexadeca-2,4,6-trien-15-one