摘要 |
The compounds of the formula I are prepared by reacting a compound of the formula III R.NH.W, in which W denotes hydrogen or a group which can be eliminated, with an acid of the formula II <IMAGE> . Instead of the free acid, an active derivative of this acid can be used. The substituents in the formulae have the meanings given in Claim 1. The compounds of the formula I possess useful pharmacological properties. <IMAGE> |