| Inhibitor THQ | Toluhydroquinone | 95-71-6 |  |
| Inhibitor MBQ | O-Methyl P-Benzoquinone | 553-97-9 | |
| Inhibitor TMHQ | 2,3,5 Methyl Hydroquinone | 700-13-0 | |
| Inhibitor 701 | 4-Hydroxy-2,2,6, 6-tetramethyl-piperidin-1-oxyl | 2226-96-2 | |
| Inhibitor 705 | Tri (4-Hydroxy-2,2,6, 6-Tetramethylpiperidin-1-Oxygen radical) Phosphite ester | 2122-49-8 | |
| Inhibitor 706 | Di (4-Hydroxy-2,2,6, 6-Tetramethylpiperidin-1-Oxygen radical) sebacate | 2516-92-9 | |
| Inhibitor AI-61R | N,N-Dibutyl dithiocarbamate copper | 13927-71-4 | |
| Catalyst PTSA | P-Toluenesulfonic Acid | 104-15-4 | |
