(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychroman-8-yl]chroman-3,5,7-triol (2R,3S,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-chroman-8-yl]chroman-3,5,7-triol (2R,3S,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-chromanyl]chroman-3,5,7-triol 23567-23-9 AIDS-082354 AIDS082354 Catechin-(4.alpha.-->8)catechin (2R-(2alpha,3beta,4alpha(2'R*,3'S*)))-2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-(4,8'-Bi-2H-1-benzopyran)-3,3',5,5',7,7'-hexol (4,8'-Bi-2H-1-benzopyran)-3,3',5,5',7,7'-hexol, 2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-, (2R-(2alpha,3beta,4alpha(2'R*,3'S*)))-