2,3,4,4'-Tetrachlorobiphenyl (60)

1,3-Dibromo-2,7,8-trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

4,4'-Dichlorobenzophenone, 100 µg/ml, Acetone, 1

Glyoxal trimer dihydrate, >95%, 5g