2,3,5,6-Tetrachlorophenol, 100µg/ml in MeOH, 5ml

2,5-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

3,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

2,3-Dimethylphenol