| Perfluorooctanesulfonic acid (PFOS) | Perfluorooctanesulfonic acid potassium salt | Perfluorooctanesulfonamide | Perfluorohexanoic acid (PFHxA) |
| Perfluorohexanoic acid (PFHxA) | Perfluorohexanosulfonic acid (PFHxS) | Perfluorobutanoic acid (PFBA) | Perfluorobutanesulfonic acid (PFBS) |
| Perfluorobutanesulfonic acid (PFBS) | 2-(Perfluorooctyl)-ethanol (8:2 FTOH) | 2-(Perfluorohexyl)-ethanol (6:2 FTOH) | 2-(Perfluorobutyl)-ethanol (4:2 FTOH) |
| 2-(Perfluorobutyl)-ethanol (4:2 FTOH) | PFPeA | PFHpA | PFNA |
| PFNA | PFDA | PFUnA | PFDoA |
| PFDoA | PFTrA | PFteA | PFDS |
| PFDS | 10:2 FTOH | 6:2 FTA | 8:2 FTA |
| 8:2 FTA | 10:2 FTA | POSF | N-Me-FOSA |
| N-Me-FOSA | N-Et-FOSA | N-Me-FOSE alcohol | N-Et-FOSE alcohol |
| N-Et-FOSE alcohol | PF-3,7-DMOA | HPFHpA | 4HPFUnA |
| 4HPFUnA | 1H, 1H, S2, 2H-PFOS | Tetraclorofenol |