Patent ID: 8383822

Claim:
A compound of the formula in which R 1 represents chlorine, trifluoromethoxy, methyl, ethyl, n-propyl, methoxy, methoxymethyl or ethoxymethyl, R 2 represents hydrogen or methyl, and R 3 represents a group of the formula where * is the point of attachment to the oxopyridine ring, n represents the number 1, 2, 3 or 4, m represents the number 1 or 2, R 4 represents, methyl, ethyl, cyclopropyl, cyclobutyl, 2-hydroxyeth-1-yl, 3-hydroxyprop-1-yl, 2-methoxyeth-1-yl, 3-methoxyprop-1-yl, 4-hydroxycyclohex-1-yl, tetrahydrofuran-2-ylmethyl or 1,4-dioxan-2-ylmethyl, R 5 represents hydrogen, methyl or ethyl, or R 4 and R 5 together with the nitrogen atom to which they are attached form a pyrrolidin-1-yl ring, a 2-methoxymethylpyrrolidin-1-yl ring, a morpholin-4-yl ring, a 1,1-dioxothiomorpholin-4-yl ring, a 1,4-oxazepan-4-yl ring, a 4-methylpiperazin-1-yl or a 4-hydroxypiperidin-1-yl ring, R 6 represents hydrogen, methyl, ethyl, cyclopropyl, cyclobutyl, 2-hydroxyeth-1-yl, 3-hydroxyprop-1-yl, 2-methoxyeth-1-yl, 3-methoxyprop-1-yl, 4-hydroxycyclohex-1-yl, tetrahydrofuran-2-ylmethyl or 1,4-dioxan-2-ylmethyl, R 7 represents hydrogen, methyl or ethyl, R 6 and R 7 together with the nitrogen atom to which they are attached form a pyrrolidin-1-yl ring, a 2-methoxymethylpyrrolidin-1-yl ring, a morpholin-4-yl ring, a 1,1-dioxothiomorpholin-4-yl ring, a 1,4-oxazepan-4-yl ring, a 4-methylpiperazin-1-yl or a 4-hydroxypiperidin-1-yl ring, or one of its salt.