| 摘要 |
<p>Pyridonecarboxylic acid derivatives of general formula (I); esters and salts of the derivatives; drugs containing them; and bicyclic amines which are direct intermediates for the derivatives (wherein R is optionally halogenated cycloalkyl or the like; X is hydrogen, lower alkyl, amino or the like; Y is hydrogen or halogeno; A is nitrogen or C-Z (wherein Z is optionally halogenated lower alkoxy or the like); R1 and R2 are each independently hydrogen or the like; R3 is hydrogen or lower alkyl; R4, R5, R6, R7, R8 and R9 are each independently hydrogen, halogeno or lower alkyl; m is 0 or 1; and n and p are each independently 0 or 1).</p> |
