(2R-trans)-2-(3,4-Dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-4-benzopyrone 17654-26-1 (DELETED) 20254-28-8 (DELETED) 480-18-2 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R,3R)- AIDS-003061 AIDS003061 Catechin hydrate Dihydroquercetin Distylin Taxifolin Taxifoliol