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??	?? ??	CAS	MF
	2,3,3',4,5-PENTACHLOROBIPHENYL	70424-69-0	C12H5Cl5
	2,2',3,3',4,5,5',6-OCTACHLOROBIPHENYL	68194-17-2	C12H2Cl8
	2,2',3,5-TETRACHLOROBIPHENYL	70362-46-8	C12H6Cl4

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