Patent ID: 7495003

Claim:
A compound of formula (I): wherein R 1 denotes a phenylmethyl, phenylprop-2-enyl, pyridinyl-methyl, pyrimidinylmethyl, naphthylmethyl, quinolinylmethyl, 1H-quinolin-2-onyl-methyl, imidazo [1,2-a]quinolinylmethyl, quinazolinylmethyl, 3H-quinazolin-4-onylmethyl, quinoxalinylmethyl, phenanthridinylmethyl, naphthyridinyl-methyl, benzo [1.6]naphthyridinylmethyl, imidazopyridinylmethyl or benzotriazolyl-methyl group which may be substituted in each case by one or two fluorine, chlorine or bromine atoms or one or two cyano, nitro, amino, C 1-3 -alkyl, C 1-3 -alkyloxy, phenyl or morpholinyl groups, while the substituents may be identical or different, R 2 denotes a cyano-C 1-3 -alkyl, hydroxycarbonylmethyl, C 1-6 -alkyloxycarbonylmethyl, C 3-6 -alkenyloxycarbonylmethyl, C 3-6 -cycloalkyl-C 1-3 -alkyloxycarbonylmethyl or C 3-6 -cycloalkyloxycarbonylmethyl group, while the alkyl, alkenyl and cycloalkyl groups in each case may be substituted by one or two C 1-3 -alkyl or C 1-3 -alkyloxy groups and/or partly or completely fluorinated, while, unless otherwise stated, the above-mentioned alkyl, alkenyl and alkynyl groups may be straight-chain or branched, or a tautomer, enantiomer, diastereomer, or a mixture thereof, a prodrug thereof or a salt thereof.