IUPAC:(1R,2R,4R,8S,9R,10S,13S,16S)-2,8,16-trihydroxy-9-(hydroxymethyl)-5,5-dimethyl-14-methylidenetetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecan-15-one
IUPAC:(1R,2R,4R,8S,9R,10S,13S,16S)-2,8,16-trihydroxy-9-(hydroxymethyl)-5,5-dimethyl-14-methylidenetetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecan-15-one