(2S,2'S)-2,2',3,3'-Tetrahydro-5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-6,8'-bi(4H-1-benzopyran)-4,4'-dione Price - Select 2021 latest high quality (2S,2'S)-2,2',3,3'-Tetrahydro-5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-6,8'-bi(4H-1-benzopyran)-4,4'-dione products in best price from global manufacturers, suppliers, wholesalers and factory on Chemsrc.com>>Mobile(AMP) version: (2S,2'S)-2,2',3,3'-Tetrahydro-5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-6,8'-bi(4H-1-benzopyran)-4,4'-dione
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