IUPAC:(1S,4R,5R,6R,7S,8R,11R,13S,16S,17S,18S,19R)-4,5,16,17-tetrahydroxy-6,14,18-trimethyl-9-oxo-3,10-dioxapentacyclo[9.8.0.0^{1,7}.0^{4,19}.0^{13,18}]nonadec-14-en-8-yl (2S)-2-hydroxy-2-methylbutanoate
IUPAC:(1S,4R,5R,6R,7S,8R,11R,13S,16S,17S,18S,19R)-4,5,16,17-tetrahydroxy-6,14,18-trimethyl-9-oxo-3,10-dioxapentacyclo[9.8.0.0^{1,7}.0^{4,19}.0^{13,18}]nonadec-14-en-8-yl (2S)-2-hydroxy-2-methylbutanoate