| # | Species | Formula |
| 5058 | Ru(III)F6 2T2g | F6Ru | |
| 5059 | Ru(Cp)(CO)CP (CIMXAX) (Geo) | C20H27O2PRu | |
| 5060 | Ru(CO)4(PEt3) | C10H15O4PRu | |
| 5061 | Ru(CO)4(PEt3) (Geo) | C10H15O4PRu | |
| 5062 | Ru(0)P5 (DOWFIE) (Geo) | C15H42P5Ru | |
| 5063 | Ruthenium(I) chloride (Geo) | ClRu | |
| 5064 | Ruthenium(I) chloride | ClRu | |
| 5065 | [Ru(NH3)5Cl]++ (Geo) | H15N5ClRu | |
| 5066 | RuN4SCl(+) (LUNXOH) (Geo) | H12N4O2SClRu | |
| 5067 | RuN4SCl(+) (LUNXOH) | H12N4O2SClRu | |
| 5068 | Ru(IV)S6Cl (ETCCRU) (Geo) | C15H30N3S6ClRu | |
| 5069 | Ru(IV)S6Cl (ETCCRU) | C15H30N3S6ClRu | |
| 5070 | Ruthenium(IV) oxide dichloride (Geo) | OCl2Ru | |
| 5071 | Ruthenium(IV) oxide dichloride | OCl2Ru | |
| 5072 | Ru(CO)3Cl2(H2O) (OLUWUN) (Geo) | C3H2O4Cl2Ru | |
| 5073 | Ru(CO)3Cl2(H2O) (OLUWUN) | C3H2O4Cl2Ru | |
| 5074 | Ru(CO)3Cl2O (ZUHBEJ) (Geo) | C7H8O4Cl2Ru | |
| 5075 | Ru(CO)3Cl2O (ZUHBEJ) | C7H8O4Cl2Ru | |
| 5076 | Ruthenium(III) trichloride (Geo) | Cl3Ru | |
| 5077 | Ruthenium(III) trichloride | Cl3Ru | |
| 5078 | Ru(III)N3Cl3 (PIDMUK) (Geo) | C2H8N3OCl3Ru | |