| abstract |
Compounds of formula (I) wherein R1 is hydrogen, halogen or alkyl, R3 is hydrogen or alkyl, R3 is hydrogen, halogen or hydroxy, A is CRR or NR, R3 is hydrogen, alkyl or cycloalkyl, R1 is a hydrogen or alkyl atom, or A represents nitrogen and together with the adjacent -CHR- forms a ring where m represents 1, 2 or 3, R represents hydrogen or halogen, X has the meanings indicated in the description, their isomers, and also their addition salts. Medicines |