CAS No 105558-26-7 , (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[[(8R,10R,12S,13R,14S,
17S)-12-hydroxy-4,4,8,10,14-pentamethyl-17-[(2Z)-6-methylhepta-2,
5-dien-2-yl]-2,3,5,6,7,9,11,12,13,15,16,
17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]oxane-3,4,5-triol