| 主权项 |
1. A method for treating cancer comprising administering a therapeutically effective amount of a compound of formula (I) wherein Ra denotes a benzyl, 1-phenylethyl or 3-chloro-4-fluorophenyl group, Rb denotes a hydrogen atom or a C1-4-alkyl group, Rc denotes a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yl-oxy, tetrahydrofuran-2-yl-methoxy, tetrahydrofuran-3-yl-methoxy, tetrahydropyran-4-yl-oxy or tetrahydropyran-4-yl-methoxy group, Rd denotes a dimethylamino, N-cyclopropyl-N-methyl-amino, N-cyclopropylmethyl-N-methyl-amino, N-ethyl-N-methyl-amino, N,N-diethylamino, N-isopropyl-N-methyl-amino, N-(2-methoxyethyl)-N-methyl-amino, N-(1-methoxy-2-propyl)-N-methyl-amino, N-(3-methoxypropyl)-N-methyl-amino, pyrrolidino, 2-methylpyrrolidino, 2-(methoxymethyl)-pyrrolidino, morpholino, (1S,4S)-2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl, (1R,4R)-2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl, N-cyclopropyl-N-methyl-amino-, N-methyl-N-(tetrahydrofuran-3-yl)-amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)-amino, N-methyl-N-(tetrahydrofuran-3-yl-methyl)-amino, N-methyl-N(tetrahydropyran-4-yl)-amino or N-methyl-N-(tetrahydropyran-4-yl-methyl)-amino group, or a group of formula (II) wherein Re and Rf, which may be identical or different, in each case denote a hydrogen atom or a C1-3-alkyl group, to a patient in need thereof, |
