# Species Formula 7531 Osmium, cationOs 7532 Osmium, atomOs 7533 OsmoceneC10H10Os 7534 Osmocene (Geo)C10H10Os 7535 Os(II)(NH3)6H18N6Os 7536 Os(II)(NH3)6 (Geo)H18N6Os 7537 Osmium(II) tris(ethylenediamine) (Geo)C6H24N6Os 7538 Osmium(II) tris(ethylenediamine)C6H24N6Os 7539 [Os(NH3)5H2O]++ (Geo)H17N5OOs 7540 [Os(NH3)5H2O]++H17N5OOs 7541 OsN5O(2+) (BEFDAS) (Geo) C6H20N5OOs 7542 Methyl osmium(III) dihydroxide (Geo)CH5O2Os 7543 Os(CO)4(C2H4)C6H4O4Os 7544 Os(CO)4(C2H4) (Geo)C6H4O4Os 7545 Osmium pentacarbonyl (Geo)C5O5Os 7546 Osmium pentacarbonylC5O5Os 7547 Os(III)(H2O)6 d5 (Geo)H12O6Os 7548 Os(II)(H2O)6H12O6Os 7549 Os(II)(H2O)6 (Geo)H12O6Os 7550 Osmium di-acetylacetonate dihydrate (Geo)C10H18O6Os 7551 Osmium di-acetylacetonate dihydrateC10H18O6Os