Garcinia GB2

GB-2【Garcinia】

(2S,2''R,3R,3''R)-3'',3''',4',4''',5,5'',7,7''-Octahydroxy-3,8''-biflavanone

(2S,2'R,3R,3'R)-2'-(3,4-Dihydroxyphenyl)-2,2',3,3'-tetrahydro-3',5,5',7,7'-pentahydroxy-2-(4-hydroxyphenyl)-3,8'-bi(4H-1-benzopyran)-4,4'-dione