Niflumic acid, 100mg

2,2’,3,3’,4,4’-Hexachlorobiphenyl (128)

2,2',3,4',5,6,6'-Heptachlorobiphenyl (188)

1,1-Dichloro-2,2-bis(4-Chlorophenyl-d4)ethane, 100µg/mL in IO, 1ml