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angelica lactone
perf. 当归内酯; 当归籽油酸内酯
α,β-angelica lactone
perf. α,β-当归酸内酯
α-angelica lactone
perf. 4-羟基-3-戊烯酸内酯
β,γ-angelica lactone
perf. 4-羟基-3-戊烯酸内酯