IUPAC:(1R,2R,4S,5R,8R,9S,11R,12S)-4,12-dihydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.1^{5,8}.0^{1,10}.0^{2,8}]heptadec-13-ene-9-carboxylic acid
IUPAC:(1R,2R,4S,5R,8R,9S,11R,12S)-4,12-dihydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.1^{5,8}.0^{1,10}.0^{2,8}]heptadec-13-ene-9-carboxylic acid