IUPAC:4-[(10R)-3a,5a,9,10-tetrahydroxy-9a-(hydroxymethyl)-11a-methyl-7-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2,5-dihydrofuran-2-one
IUPAC:4-[(10R)-3a,5a,9,10-tetrahydroxy-9a-(hydroxymethyl)-11a-methyl-7-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2,5-dihydrofuran-2-one