2-((R)-1-((S)-2-(3,4-dimethoxyphenyl)-5,7-dimethoxychroman-8-yl)-3-phenylpropyl)phenyl trifluoromethanesulfonate

(2S)-5,7,3',4'-tetrakis[(trifluoromethanesulfonyl)oxy]flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

3',4',5,7-Tetra-O-methyl-3-O-[methylthio(thiocarbonyl)]-(+)-catechin

(2R)-(-)-3',4',5,7-Tetramethoxyflavan

(2S)-8-bromo-5,7,3',4'-tetramethoxyflavan