“…Investigation of the MeOH extract of G. gracilis by chromatographic techniques resulted in the isolation of 35 polyphenols, including nine undescribed structures ( 1 – 3 , 5 – 7 , 10 , 12 , and 17 ) and 26 known compounds: forbesione ( 4 ), isojacareubin ( 8 ), oblongixanthone A ( 9 ), cowadepsidone ( 11 ), multibiphenyl C ( 13 ), schomburgbiphenyl A ( 14 ), doitungbiphenyl A ( 15 ), calophymembranside A ( 16 ), quercetin, naringenin, volkensiflavone, pancibiflavonol, GB 1a, fukugiside, morelloflavone, 1,7-dihydroxy-6-methoxyxanthone, 1,6-dihydroxy-3,7-dimethoxyxanthone, 1,7-dihydroxyxanthone, 1,6-dihydroxy-5-methoxyanthone, 1,6,7-trihydroxyxanthone, 1,3,6,7-tetrahydroxyxanthone, 3,4,5-trihydroxyxanthone, 1,5-dihydroxy-6-methoxyxanthone, 1,2,7-trihydroxyxanthone, isoathyriol, and α-tocospiro A …”