1. LL-D253.alpha., -.beta., and -.gamma., novel chromanones from the fungus Phoma pigmentivora
2. Some Observations on the Metabolites of Phoma Species
3. I. M. Chandler , C. R.McIntyre and T. J.Simpson, J. Chem. Soc., Perkin Trans. 1, preceding paper.
4. G. C. Crawley and C. J.Strawson, unpublished results quoted by W. B.Turner and D. C.Aldridge in Fungal Metabolites II, Academic Press, London, 1983, p. 98.
5. F. M. Dean , Naturally Occurring Oxygen Ring Compounds, Butterworths, London, 1963.