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| # | Species | Formula |
| 567 | Tetraisobutylsuccinonitrile | C20H36N2 | |
| 568 | Azide | N3 | |
| 569 | Azide (Geo) | N3 | |
| 570 | Hydrazoic acid | HN3 | |
| 571 | Methyl Azide | CH3N3 | |
| 572 | s-Triazine (Geo) | C3H3N3 | |
| 573 | 1,3,5-Triazine | C3H3N3 | |
| 574 | Ethylenetricarbonitrile | HC5N3 | |
| 575 | 1,1,1-Ethanetricarbonitrile | C5H3N3 | |
| 576 | 1,3,5-Tricyanobenzene | C9H3N3 | |
| 577 | 1,1,1-Tricyano-2-phenyl ethane | C11H7N3 | |
| 578 | 2,2',6',2'-Terpyridine | C15H11N3 | |
| 579 | 1-H Tetrazole | CH2N4 | |
| 580 | 2-H-Tetrazole | CH2N4 | |
| 581 | Tetracyanoethylene | C6N4 | |
| 582 | 1,3,5,7-Tetraazaadamantane | C6H12N4 | |
| 583 | Melamine | C3H6N6 | |
| 584 | Oxygen, atom | O | |
| 585 | Hydroxyl radical | HO | |
| 586 | Hydroxide, anion | HO | |
| 587 | Water (Geo) | H2O | |
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