Key References
- Ulman, A Sci. Amer. 1990 262 18.
- Kamernitzky, PV J. Steroid. Biochem. 1982 16 61.
- Ponsold, K Proc. 5th Inter. Conf. on Chemistry and Biotechnology of Biologically Active Natural Products Varna, Bulgaria September 1 1989 3 139.
- Roussel-Uclaf EP 0057115.
- Research Triangle Institute US 4954490.