Patent ID: 7307077

Claim:
A composition comprising a compound represented by formula I, and a pharmaceutically acceptable diluent or carrier: wherein X represents a nitrogen atom or CH; R 1 represents CH n F 3-n , wherein n is 1 or 2, a hydroxy C 1 -C 6 alkyl, or NHR 6 , wherein R 6 represents a hydrogen atom or COR, wherein R represents a hydrogen atom, a C 1 -C 6 alkyl or a C 1 -C 6 alkoxy; R 2 represents a morpholino which may be substituted with one to four C 1 -C 6 alkyls, a thiomorpholino, a piperidino, a pyrrolidinyl which may be substituted by a hydroxy C 1 -C 6 alkyl, an oxazolidinyl which may be substituted by one or two C 1 -C 6 alkyls or tetrahydro-1,4-thiazin-1-oxo-4-yl; R 3 and R 4 each represent a hydrogen atom or a C 1 -C 6 alkyl; and R 5 represents a hydrogen atom, an amino or a hydroxyl.