Patent ID: 7589093

Claim:
A compound of formula (I) wherein R 1 is hydrogen or represents one or more similar or different substituents in the positions 7 to 10 selected from the group halogen, lower alkyl/alkoxy, hydroxy, trifluoromethyl, trichloromethyl, trifluoromethoxy, R 2 represents similar or different C 1 -C 4 alkyl substituents, X is CO or CH 2 , Y is OH, NH 2 , NH—(CH 2 ) n —R 3 wherein R 3 represents lower alkyl, OH, NH 2 , NHR 4 or NR 5 R 6 wherein R 4 , R 5 and R 6 independently are lower alkyl or cyclo-alkyl and n is an integer of from 2 to 4, with the provision that when X is CH 2 , Y is OH or NH—(CH 2 ) n —OH, or a pharmacologically acceptable salt thereof.