IUPAC:(1S,2S,3R,5S,8S,11S,14R,17S,20R)-3-hydroxy-14-methyl-6-methylidene-10,16,18-trioxahexacyclo[12.5.1.1^{5,8}.0^{1,11}.0^{2,8}.0^{17,20}]henicosane-7,9-dione
IUPAC:(1S,2S,3R,5S,8S,11S,14R,17S,20R)-3-hydroxy-14-methyl-6-methylidene-10,16,18-trioxahexacyclo[12.5.1.1^{5,8}.0^{1,11}.0^{2,8}.0^{17,20}]henicosane-7,9-dione