A 1,8-naphthyridine compound of the formula ##STR1## wherein R.sub.1 is a lower alkyl group, and the esters and salts thereof. The 1,8-naphthyridine compound of the formula (I) in which R.sub.1 is a methyl group is useful as an antibacterial agent.
公式为##STR1##的
1,8-萘啶化合物,其中R.sub.1是较低的烷基,以及其酯和盐。当R.sub.1是甲基基团时,公式为(I)的
1,8-萘啶化合物可用作抗菌剂。