| Similarity | Rank | |
|---|---|---|
| toluene | 0.907 | 81758 |
| methylene | 0.851 | 93319 |
| dioxins | 0.845 | 77636 |
| fluorine | 0.844 | 79157 |
| PAHs | 0.841 | 93057 |
| carcinogenic | 0.840 | 37544 |
| formaldehyde | 0.835 | 35550 |
| arsenic | 0.833 | 26971 |
| carcinogen | 0.832 | 47401 |
| dioxin | 0.828 | 57731 |
| ethyl | 0.825 | 56937 |
| phenol | 0.825 | 70784 |
| sulfide | 0.823 | 49224 |
| ethylene | 0.821 | 51107 |
| chloride | 0.821 | 23685 |
| bromine | 0.818 | 75999 |
| hydrocarbons | 0.817 | 32458 |
| sulfur | 0.814 | 22001 |
| methyl | 0.811 | 39129 |
| chlorinated | 0.810 | 53829 |
| VOCs | 0.806 | 56195 |
| solvents | 0.805 | 29089 |
| ammonia | 0.805 | 21773 |
| propylene | 0.805 | 60989 |
| ammonium | 0.798 | 48164 |