# Species Formula 4287 Sodium bromide, dimer (Geo)Na2Br2 4288 Sodium bromide, dimerNa2Br2 4289 Magnesium dibromideMgBr2 4290 Magnesium dibromide (Geo)MgBr2 4291 Mg(II)O2Br2 (MGBEET) (Geo)C8H20O2MgBr2 4292 Mg(II)O2Br2 (MGBEET)C8H20O2MgBr2 4293 Mg(II)O5Br2 (GUPJAC) (Geo)C10H22O5MgBr2 4294 Mg(II)O5Br2 (GUPJAC)C10H22O5MgBr2 4295 Silicon dibromideSiBr2 4296 DibromosilaneH2SiBr2 4297 SiH2CBr (ZUHPIB) (Geo) C2H8Si2Br2 4298 SiH2CBr (ZUHPIB)C2H8Si2Br2 4299 Sulfur dibromideSBr2 4300 Thionyl bromide (Geo)OSBr2 4301 Dibromine disulfideS2Br2 4302 Potassium bromide, dimer (Geo)K2Br2 4303 Potassium bromide, dimerK2Br2 4304 Calcium dibromide (Geo)CaBr2 4305 Calcium dibromideCaBr2 4306 Ca(II)N2O2Br2 (TAPKEA) (Geo)C12H18N2O2CaBr2 4307 Ca(II)N2O2Br2 (TAPKEA)C12H18N2O2CaBr2