1. M. C. Viaud, P. Jamoneau, J. G. Bizot-Espiard, B. Pfeiffer, P. Renard, D. H. Caignard, G. Adam, and G. Guillaumet, Bioorg. Med. Chem.,3, 929 (1995).
2. Ch. Flouzat, Yv. Bresson, A. Mattio, J. Bonnet, and G. Guillaumet, J. Med. Chem.,36, 497 (1993).
3. G. Guillaumet. Ch. Flouzat, and J. Bonnet, European Patent No. 412899 A2; Chem. Abs.,115, 8828 (1991).
4. M. C. Viaud, L. Savelon, P. Pavli, P. Renard, B. Pfeiffer, D. H. Caignard, J. G. Bizot-Espiard, and C. Adam, European Patent No. 0691339; Chem. Abs.,124, 261019 (1996).
5. M. C. Viaud, P. Jamoneau, M. L. Baudin, L. Savelon, and G. Guillaumet, Tetrahedron,53, 5159 (1997).