2,3,4,5,6-Pentachlorobiphenyl-2′,3′,4′,5′,6′-d5

2,3,4,5,6-Pentachlorobiphenyl-2′,3′,4′,5′,6′-d5 is the deuterium labeled 2,3,4,5,6-Pentachlorobiphenyl-2′,3′,4′,5′,6′[1].