IUPAC:(1R,4R,5R,8R,13R,14R,17R,18R,19R)-4,5,9,9,13,20,20-heptamethyl-24-oxahexacyclo[17.3.2.0^{1,18}.0^{4,17}.0^{5,14}.0^{8,13}]tetracosan-10-one
IUPAC:(1R,4R,5R,8R,13R,14R,17R,18R,19R)-4,5,9,9,13,20,20-heptamethyl-24-oxahexacyclo[17.3.2.0^{1,18}.0^{4,17}.0^{5,14}.0^{8,13}]tetracosan-10-one