(-)-epigallocatechin 3,5-di-O-gallate;Flavan-3-ol (-)-epigallocatechin 3,5-digallate 7-Hydroxy-2-(3,4,5-trihydroxyphenyl)-5-(3,4,5-trihydroxyphenylcarbonyloxy)chroman-3-yl 3,4,5-trihydroxybenzoate AIDS-051677 AIDS051677 EGCDG