Di-n-octyltin oxide,1000 µg/mL ,MeOH,1mL,

2,2',3,3',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2’,5,5’-Tetrachlorobiphenyl (52)

3,5-Dimethylaniline, 250mg