1. Chemicals from the glands of ants
2. Massiot, G.; Delaude, C. In The Alkaloids; Brossi, A., Ed.; Academic Press: New York, 1986; Vol. 27, Chapter 3
3. Numata, A.; Ibuka, T. In The Alkaloids; Brossi, A., Ed.; Academic Press: New York, 1987; Vol. 31, Chapter 6
4. Elbein, A.; Molyneux, R. I. In The Alkaloids; Pelletier, S. W., Ed.; Academic Press: New York, 1990; Vol. 5, Chapter 1
5. Synthesis of 2,5-disubstituted pyrrolidines