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Chemical structures of the 6 active components contained in Chinese Angelica (1) ferulic acid, (2) Senkyunolide I, (3) Senkyunolide H, (4) Coniferyl ferulate, (5) E-Ligustilide, (6) E-Butylidenephthalide, (7) Z-Ligustilide, (8) Z-Butylidenephthalide
