Multinuclear NMR characterisation of the complexes between chiral 3-aminopyrrolidine lithium amides and n-butyllithium Y. Prigent, A. Corruble, J.-Y. Valnot, J. Maddaluno, P. Duhamel and D. Davoust J. Chim. Phys., 95 2 (1998) 401-405 DOI: 10.1051/jcp:1998151