| # | Species | Formula |
| 7550 | Osmium di-acetylacetonate dihydrate (Geo) | C10H18O6Os | |
| 7551 | Osmium di-acetylacetonate dihydrate | C10H18O6Os | |
| 7552 | OsO4N2 (BABWAC) (Geo) | C4H8N2O6Os | |
| 7553 | Osmium(IV) oxide difluoride | OF2Os | |
| 7554 | Osmium(IV) oxide difluoride (Geo) | OF2Os | |
| 7555 | Osmium(III) trifluoride (Geo) | F3Os | |
| 7556 | Os(III)F6 d5 (Geo) | F6Os | |
| 7557 | Os(CO)4(PEt3) | C10H15O4POs | |
| 7558 | Os(CO)4(PEt3) (Geo) | C10H15O4POs | |
| 7559 | Os(Cp)NP2(2+) (BELNOV) (Geo) | C11H23NOP2Os | |
| 7560 | Os(C6H6)CNCl (BEDYUF) (Geo) | C17H14NClOs | |
| 7561 | [Os(NH3)5Cl]++ (Geo) | H15N5ClOs | |
| 7562 | Osmium(IV) oxide dichloride | OCl2Os | |
| 7563 | Osmium(IV) oxide dichloride (Geo) | OCl2Os | |
| 7564 | Osmium(III) trichloride | Cl3Os | |
| 7565 | cis-tetrachlorodifluoroosmate(v) OsCl4F2(-) (Geo) | F2Cl4Os | |
| 7566 | Os(III)Cl6 d5 (Geo) | Cl6Os | |
| 7567 | Osmium(IV) oxide dibromide | OBr2Os | |
| 7568 | Osmium(IV) oxide dibromide (Geo) | OBr2Os | |
| 7569 | Osmium(III) tribromide | Br3Os | |
| 7570 | Os(CO)4F2 (BEDKEB) (Geo) | C4O4F12Sb2Os | |