Eight-coordinate Zn (II), Cd(II), and Pb(II) complexes based on a 1,7-diaza-12-crown-4 platform endowed with a remarkable selectivity over Ca(II)

1. Ferreirós-Martínez, R.
2. Esteban-Gómez, D.
3. De Blas, A.
4. Platas-Iglesias, C.
5. Rodríguez-Blas, T.