| 摘要 |
The compound represented by the formula; <CHEM> [wherein R<1> stands for hydrogen, methoxy or trifluoromethyl; R<2> and R<3>, being the same as, or different from each other, stand for hydrogen or methyl; R<4> stands for optionally substituted hydrocarbon residue; and n denotes 0 or 1] or a salt thereof show excellent antibacterial activities, against the genus Campylobacter, especially against Campylobacter pylori, and they are used for preventing or treating infectious diseases caused by the said bacteria. |
