5. Biosynthesis of a cyclopentyl dienyl isonitrile acid in cultures of the fungus Trichoderma hamatum(Bon.) bain. aggr. Jack E. Baldwin,Andrew E. Derome,Leslie D. Field,Peter T. Gallagher,Ahmed A. Taha,Viktor Thaller,Donald Brewer,Alan Taylor J. Chem. Soc. Chem. Commun. 1981 1227