IUPAC:(1S,5R,7S,10S,13R,16S,17R,20R)-7-hydroxy-6,6,10,16,20-pentamethyl-14-oxapentacyclo[11.6.1.0^{2,11}.0^{5,10}.0^{17,20}]icos-2(11)-en-15-one
IUPAC:(1S,5R,7S,10S,13R,16S,17R,20R)-7-hydroxy-6,6,10,16,20-pentamethyl-14-oxapentacyclo[11.6.1.0^{2,11}.0^{5,10}.0^{17,20}]icos-2(11)-en-15-one