Synthesis of heteroleptic violurato complexes of CoIII. Influence of the co-ordinated ligands on the protonation-deprotonation reactions of dihydrogenviolurate anion. Crystal structure of potassium dihydrogenviolurato(nitrilotriacetato)cobaltate(III) dihydrate, K[Co(H2vi)(nta)]·2H2O

1. Almazán, F.
2. García-España, E.
3. Mollar, M.
4. Lloret, F.
5. Julve, M.
6. Faus, J.
7. Solans, X.
8. Alins, N.