| abstract |
The present invention relates to novel compounds of formula (I) and to processes for their preparation and their use in the preparation of pharmaceutical products. The main meanings of the substituents in the formula are as follows: R 1 and R 2 are hydrogen, C 1 -C 8 alkyl or C 3 -C 8 cycloalkyl; R3 is C1-C3 alkyl or cyclopropyl; Z 2 is C or N; Z1, Z3 and Z4 represent a 5-membered heterocyclic aromatic ring together with Z2 and the carbon atom. The compounds of the present invention are useful in the treatment of inflammatory diseases in psychology. SHE |