IUPAC:(1R,2R,4S,8R,10R,14S,17S,18R)-14-hydroxy-17-[(4R,5R)-5-(3-hydroxy-3-methylbutyl)-2,2,4-trimethyl-1,3-dioxolan-4-yl]-2,6,6,18-tetramethyl-5,7-dioxapentacyclo[11.7.0.0^{2,10}.0^{4,8}.0^{14,18}]icos-12-en-11-one
IUPAC:(1R,2R,4S,8R,10R,14S,17S,18R)-14-hydroxy-17-[(4R,5R)-5-(3-hydroxy-3-methylbutyl)-2,2,4-trimethyl-1,3-dioxolan-4-yl]-2,6,6,18-tetramethyl-5,7-dioxapentacyclo[11.7.0.0^{2,10}.0^{4,8}.0^{14,18}]icos-12-en-11-one