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?? ???? >(5α)-4α-(7-Methoxy-2-oxo-2H-1-benzopyran-6-yl)-1α-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one
(5α)-4α-(7-Methoxy-2-oxo-2H-1-benzopyran-6-yl)-1α-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one
(5α)-4α-(7-Methoxy-2-oxo-2H-1-benzopyran-6-yl)-1α-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one ??
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(5α)-4α-(7-Methoxy-2-oxo-2H-1-benzopyran-6-yl)-1α-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one C??? ??, ??, ??
(5α)-4α-(7-Methoxy-2-oxo-2H-1-benzopyran-6-yl)-1α-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one ?? ?? ? ???
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(5α)-4α-(7-Methoxy-2-oxo-2H-1-benzopyran-6-yl)-1α-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one ?? ??
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