SimilarityRank
nitrogen 0.843 6386
phosgene 0.831 98640
ethane 0.831 70857
benzene 0.830 21692
hydrocarbon 0.824 12320
monoxide 0.822 12904
nitrous 0.817 29606
hydrochloric 0.816 22757
tetrachloride 0.816 38419
&sub2; 0.816 34174
chlorine 0.812 10537
chlorinate 0.807 31192
nitric 0.805 22052
ammonia 0.801 10958
beryllium 0.801 52345
hexafluoride 0.796 78594
trioxide 0.796 83599
dioxide 0.794 4762
particulate 0.794 25930
sulphate 0.792 9870
oxide 0.790 7892
contaminant 0.787 23773
polycyclic 0.786 68633
ammonium 0.786 22976
hydrogen 0.785 5285