IUPAC:(1R,2S,3R,6R,8R,13S,14R,15R,16S,17S)-10,15,16-trihydroxy-9,13-dimethyl-3-[(3-methylbutanoyl)oxy]-4,11-dioxo-5,18-dioxapentacyclo[12.5.0.0^{1,6}.0^{2,17}.0^{8,13}]nonadec-9-ene-17-carboxylic acid
IUPAC:(1R,2S,3R,6R,8R,13S,14R,15R,16S,17S)-10,15,16-trihydroxy-9,13-dimethyl-3-[(3-methylbutanoyl)oxy]-4,11-dioxo-5,18-dioxapentacyclo[12.5.0.0^{1,6}.0^{2,17}.0^{8,13}]nonadec-9-ene-17-carboxylic acid