| Label | Id | |
|---|---|---|
| 2,2',4,4',6,6'-Hcb | 34203 | |
| 2,2',4,4',6,6'-Hexachlorodiphenyl | 34203 | |
| 2,2',4,4'-Tetrachlorodiphenyl | 34204 | |
| 2,2',4,5-tetrachlorodiphenyl | 34205 | |
| 2,2',5,5'-TCB | 34206 | |
| 2,2'-[Oxybis(2,1-ethanediyloxy)]diethanol | 44920 | |
| 2,2'-[oxybis(2,1-ethanediyloxy)]bisethanol | 44920 | |
| 2,3',5,6'-tetrachlorobiphenyl | 34206 | |
| 2,3,4,4a,5,6,7,8-octahydro-4,4a-dimethyl-6-(1-methylvinyl)-2-naphthol | 142044 | |
| 2,3,5,6-TCNB | 82044 | |
| 2,3,5,6-TeCP | 52048 | |
| 2,3,5,6-Tetrachlor-1-nitrobenzol | 82044 | |
| 2,3,5,6-Tetrachloro-1-nitrobenzene | 82044 | |
| 2,3,5,6-Tetrachlorophenate | 52048 | |
| 2,3,5,6-dibenzopyridine | 36420 |