| Similarity | Rank | |
|---|---|---|
| feedstock | 0.846 | 29226 |
| polycyclic | 0.827 | 68633 |
| sulphur | 0.827 | 6647 |
| methane | 0.824 | 11786 |
| tetrachloride | 0.823 | 38419 |
| vocs | 0.819 | 67555 |
| nitrogen | 0.817 | 6386 |
| dioxide | 0.815 | 4762 |
| gasification | 0.815 | 40725 |
| &sub2; | 0.813 | 34174 |
| benzene | 0.812 | 21692 |
| mtbe | 0.808 | 87435 |
| nitrous | 0.804 | 29606 |
| nox | 0.802 | 28969 |
| phosgene | 0.801 | 98640 |
| methanol | 0.799 | 19662 |
| sulphide | 0.798 | 18525 |
| ethane | 0.795 | 70857 |
| radionuclide | 0.793 | 25560 |
| nitric | 0.793 | 22052 |
| lpg | 0.791 | 44069 |
| co2 | 0.790 | 18793 |
| oxidize | 0.789 | 38122 |
| particulate | 0.787 | 25930 |
| molybdenum | 0.787 | 51774 |