IUPAC:(1S,3R,4S,5R,9R,10R,13S)-3,10-dihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid
IUPAC:(1S,3R,4S,5R,9R,10R,13S)-3,10-dihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid