Siamenoside I

126105-12-2

(2S,3R,4S,5S,6R)-2-(((2S,3R,4S,5S,6R)-4,5-Dihydroxy-2-(((3R,6R)-2-hydroxy-6-((3S,8S,9R,10R,11R,13R,14S,17R)-11-hydroxy-4,4,9,13,14-pentamethyl-3-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methylheptan-3-yl)oxy)-6-((((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol;