IUPAC: (1R,4R,5R,6S,7R,8R,11R,13S,16S,17S,18S,19R)-4,5,7,8,17-pentahydroxy-6,14,18-trimethyl-16-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-3,10-dioxapentacyclo[9.8.0.0^{1,7}.0^{4,19}.0^{13,18}]nonadec-14-en-9-one
IUPAC: (1R,4R,5R,6S,7R,8R,11R,13S,16S,17S,18S,19R)-4,5,7,8,17-pentahydroxy-6,14,18-trimethyl-16-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-3,10-dioxapentacyclo[9.8.0.0^{1,7}.0^{4,19}.0^{13,18}]nonadec-14-en-9-one