Fast degenerate double proton transfer in the solid state between two indazolinone tautomers

1. Pérez-Torralba, M.
2. López, C.
3. Pérez-Medina, C.
4. Claramunt, R.M.
5. Pinilla, E.
6. Torres, M.R.
7. Alkorta, I.
8. Elguero, J.