IUPAC:(1R,2R,4S,5S,9R,10S,12S,13R)-2,12,16-trihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carbaldehyde
IUPAC:(1R,2R,4S,5S,9R,10S,12S,13R)-2,12,16-trihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carbaldehyde