Astragaloside IV

(2R,3R,4S,5S,6R) -2-[[ (1S,3R,6S,8R,9S,11S,12S,14S,15R,16R) -14-hydroxy-15-[ (2R,5S) -5- (2-hydroxypropan-2-yl) -2-methyloxolan-2-yl]-7,7,12,16-tetramethyl-6-[ (2S,3R,4S,5R) -3,4,5-trihydroxyoxan-2-yl]oxy-9-pentacyclo[9.7.0.01,3.03,8.012,16]octadecanyl]oxy]-6- (hydroxymethyl) oxane-3,4,5-triol

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