“…uraloides was subjected to column chromatography on silica gel, Sephadex LH-20, RP-18, as well as preparative HPLC to afford four new compounds, 1 -4 ( Fig. 1), and 16 known compounds: uralodin A (5) [20], furohyperforin (6) [21], quercetin [22], quercetin 3-O-a-l-rhamnofuranoside [23], quercetin 3-O-b-d-glucuronopyranoside [24], 3,4-epoxy-5-hydroxycyclohex-1-enecarboxylic acid [25], 1,5,6-trihydroxy-3-methoxyxanthone [26], 1,3,7-trihydroxyxanthone [27], 1,3,5trihydroxyxanthone [28], calycinoxanthone D [29], 1,3,5,8-tetrahydroxyxanthone [29], 1-hydroxyxanthone [30], 2,5-dihydroxyxanthone [31], kielcorin [32], 1,3,5,6-tetrahydroxy-4-prenylxanthone [33], and epicatechin-(7,8-bc)-4b-(hydroxyphenyl)-dihydroxy-2(3H)-pyranone [34].…”