abstract |
The invention relates to novel active agents (coniosetin and coniosetin derivatives) of formula I, which are produced by the micro-organism Coniochaeta ellipsoidea Udagawa (DSM 13856) during fermentation, R, R2, R3, R4, R5, X, X2, X3 and X4 having the meanings given. The invention also relat es to chemical derivatives of coniosetin, to a method for producing them and to the use of the same as medicaments. |