Comparison of the surprising metal-ion-binding properties of 5- and 6-uracilmethylphosphonate (SUmpa2- and 6Umpa2-) in aqueous solution and crystal structures of the dimethyl and di(isopropyl) esters of H2(6Umpa)

1. Freisinger, E.
2. Griesser, R.
3. Lippert, B.
4. Moreno-Luque, C.E.
5. Niclós-Gutiérrez, J.
6. Ochocki, J.
7. Operschall, B.P.
8. Sigel, H.