IUPAC:12-[(2R,3R,4R,5S)-3,4-dihydroxy-5-[(1R)-1-hydroxyethyl]oxolan-2-yl]-15-hydroxy-3,17-dimethoxy-5-methyl-9-oxatetracyclo[8.8.0.0^{2,7}.0^{11,16}]octadeca-1(10),2(7),3,5,11(16),12,14,17-octaen-8-one
IUPAC:12-[(2R,3R,4R,5S)-3,4-dihydroxy-5-[(1R)-1-hydroxyethyl]oxolan-2-yl]-15-hydroxy-3,17-dimethoxy-5-methyl-9-oxatetracyclo[8.8.0.0^{2,7}.0^{11,16}]octadeca-1(10),2(7),3,5,11(16),12,14,17-octaen-8-one