Dodecachlorohexaniobium Cl2(H2O)4 NSC152872 Niobium(2+), dodeca-m-chlorohexa-, dichloride, pentahydrate Niobium, tetraaquatetradecaminechlorodichlorohexa-, octahedro Niobium, tetraquadodeca-.mu.-chlorodichlorohexa-, octahedro