Patent ID: 8063045

Claim:
A compound of formula (I) wherein— R 1 means a nitrogen-containing aromatic moiety consisting of one or two aromatic rings, preferably a pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, imidazolyl, pirazolyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl, oxadiazolyl, quinolinyl, isoquinolinyl, cinnolinyl, phthalazinyl, quinazolinyl, quinoxalinyl, benzimidazolyl, indazolyl, benzothiazolyl, benzisothiazolyl, benzoxazolyl or benzisoxazolyl, tetrazolyl, triazinyl ring; which is, in a given case, independently from each other mono- or disubstituted by one or two of the following groups: C1-4 alkyl groups, C1-4 alkoxy groups, halogen atom, trihalogenomethyl group, methylthio group, nitro group, cyano group, amino group or phenyl group; or thienyl, furyl or benzyl group; or p-toluenesulfonyl group; or acyl group of formula R 1a —CO, wherein R 1a means C1-4 alkyl group, phenyl group; phenyl, pyridyl or phenylethenyl group substituted with one or more alkyl- and/or alkoxy- or nitro-group or halogen atom; phenylethenyl or phenylethyl group substituted with alkylene-dioxy group; piperidin-1-yl, 4-methylpiperazin-1-yl, pyrrolidin-1-yl group, B stands for a group of formula (6) or (7) R 2 stands for hydrogen atom or fluorine atom; R 3 stands for fluorine atom— and salts, and tautomers thereof.