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