IUPAC:(2S)-2-[(1R,2R,3aS,3bS,7R,9aR,9bR,11aR)-7-{[(2S,3R,4S,5R)-4,5-dihydroxy-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-2-hydroxy-3a,6,6,9b,11a-pentamethyl-10-oxo-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2-methyl-5-(propan-2-yl)-2,3-dihydrofuran-3-one
IUPAC:(2S)-2-[(1R,2R,3aS,3bS,7R,9aR,9bR,11aR)-7-{[(2S,3R,4S,5R)-4,5-dihydroxy-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-2-hydroxy-3a,6,6,9b,11a-pentamethyl-10-oxo-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2-methyl-5-(propan-2-yl)-2,3-dihydrofuran-3-one