IUPAC:(1S,12R,13R,14R,16R)-18,19-dimethoxy-13,14-dimethyl-3,6,8,22-tetraoxahexacyclo[9.9.1.1^{12,16}.0^{1,16}.0^{4,21}.0^{5,9}]docosa-4,9,11(21),18-tetraen-20-one
IUPAC:(1S,12R,13R,14R,16R)-18,19-dimethoxy-13,14-dimethyl-3,6,8,22-tetraoxahexacyclo[9.9.1.1^{12,16}.0^{1,16}.0^{4,21}.0^{5,9}]docosa-4,9,11(21),18-tetraen-20-one