57355-29-0 8-Diethylaminomethyl dihydroquercetin, hydrochloride 8-Diethylaminomethyl-3,3',4',5,7-pentahydroxyflavanone, hydrochloride FLAVANONE, 8-DIETHYLAMINOMETHYL-3,3',4',5,7-PENTAHYDROXY-, HYDROCHLORIDE