IUPAC:methyl 2-[(2S,7R,8S,10S,12R,13S,14S,16S,17S,19R,20S,21R,23Z)-7-(acetyloxy)-16,21-dihydroxy-5,13,20-trimethyl-9-methylidene-4,22-dioxo-3-oxaoctacyclo[14.7.1.0^{2,6}.0^{2,14}.0^{8,13}.0^{10,12}.0^{17,19}.0^{20,24}]tetracosa-1(24),5-dien-23-ylidene]propanoate
IUPAC:methyl 2-[(2S,7R,8S,10S,12R,13S,14S,16S,17S,19R,20S,21R,23Z)-7-(acetyloxy)-16,21-dihydroxy-5,13,20-trimethyl-9-methylidene-4,22-dioxo-3-oxaoctacyclo[14.7.1.0^{2,6}.0^{2,14}.0^{8,13}.0^{10,12}.0^{17,19}.0^{20,24}]tetracosa-1(24),5-dien-23-ylidene]propanoate