Synonyms: 3,8''-Biflavanone,3'',3''',4',4''',5,5'',7,7''-octahydroxy- (8CI);[3,8'-Bi-4H-1-benzopyran]-4,4'-dione,2'-(3,4-dihydroxyphenyl)-2,2',3,3'-tetrahydro-3',5,5',7,7'-pentahydroxy-2-(4-hydroxyphenyl)-,[2S-[2a,3b(2'S*,3'S*)]]-;5,7,4',3'',5'',7'',3''',4'''-Octahydroxy[3-8'']biflavanone; GB 2; GB 2(Garcinia)