Synonyms: GB-1a;(2s,2's,3r)-5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-2,2',3,3'-tetrahydro-4h,4'h-3,8'-bichromene-4,4'-dione;19360-72-6;19456-83-8;(3,8'-Bi-2H-1-benzopyran)-4,4'(3H,3'H)-dione, 5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-, (2S,2'S,3R)-;[3,8'-Bi-2H-1-benzopyran]-4,4'(3H,3'H)-dione, 5,5',7,7'-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-, (2S,2'S,3R)-;AC1LAFXK;AC1Q7A55;CHEMBL456859;KST-1A2431;AR-1A3377;(2S)-8-[(2S,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydrochromen-3-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one