| # | Species | Formula |
| 5010 | Ruthenocene (Geo) | C10H10Ru | |
| 5011 | Ruthenocene | C10H10Ru | |
| 5012 | RuC10 (JODLIX) (Geo) | C10H12Ru | |
| 5013 | RuC10 (JODLIX) | C10H12Ru | |
| 5014 | RuC10 (CEJLOS) (Geo) | C13H14Ru | |
| 5015 | RuC10 (CEJLOS) | C13H14Ru | |
| 5016 | RuC10 (BEPJIP) (Geo) | C10H11NRu | |
| 5017 | RuC10 (BEPJIP) | C10H11NRu | |
| 5018 | Ru(II)(NH3)6 | H18N6Ru | |
| 5019 | Ru(II)(NH3)6 (Geo) | H18N6Ru | |
| 5020 | Ru(III)N6(3+) (NEFYAY) (Geo) | C5H20N6Ru | |
| 5021 | Ru(III)N6(3+) (NEFYAY) | C5H20N6Ru | |
| 5022 | Ru(III)(CN)6 2T2g | C6N6Ru | |
| 5023 | Ru(II)N6(2+) (VIYMIZ) (Geo) | C12H18N6Ru | |
| 5024 | Ru(II)N6(2+) (VIYMIZ) | C12H18N6Ru | |
| 5025 | [Ru(NH3)5H2O]++ (Geo) | H17N5ORu | |
| 5026 | Methyl ruthenium(III) dihydroxide (Geo) | CH5O2Ru | |
| 5027 | Ru(II)(C6H6)(H2O)3(2+) (GAWTED) (Geo) | C6H12O3Ru | |
| 5028 | Ru(II)(C6H6)(H2O)3(2+) (GAWTED) | C6H12O3Ru | |
| 5029 | Ru(III)O3N3(2+) (GOKBIR) (Geo) | C5H18N3O3Ru | |
| 5030 | Ru(III)O3N3(2+) (GOKBIR) | C5H18N3O3Ru | |