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The chemical structure of 17 compounds in Angelica keiskei Koidzumi, xanthoangelol (1), B (2), D (3), E (4), G (5), H (6), 4-hydroxyderricin (7), xanthokeismin B (8), (2E)-1-[4-hydroxy-2-(2-hydroxy-2-propanyl)-2,3-dihydro-1-benzofuran-7-yl]-3-(4-hydroxyphenyl)-2-propen-1-one (9), umbelliferone (10), selinidin (11), isopimpinellin (12), phellopterin (13), xanthyletin (14), ashitabaol A (15), laserpitin (16) and isolaserpitin (17).
