3,3',4',5,7-Pentahydroxyflavone compd. with 1-deoxy-1-(methylamino)-D-glucitol (1:1) Flavone, 3,3',4',5,7-pentahydroxy-, compd. with 1-deoxy-1-(methylamino)-D-glucitol (1:1) LK8940000 Quercetin methylglucamine