Synonyms: Benzoicacid, 3,4,5-trihydroxy-,methylenebis[(2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-8,3-diyl]ester (9CI); Benzoic acid, 3,4,5-trihydroxy-,methylenebis[3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-8,3-diyl]ester, [2R-[2a,3a,8(2R*,3R*)]]-;(-)-Oolonghomobisflavan A; Oolonghomobisflavan A