abstract |
(57) [Problem] To provide an anti-Helicobacter pylori agent exhibiting specifically strong antibacterial activity against Helicobacter spp. SOLUTION: General formula (I) [In the formula, R 1 represents an optionally substituted amino group, R 2 , R 3 , R 4 , R 5 and R 6 each represent a hydroxyl group which may be protected, and R 7 represents a hydrocarbon group] or a salt thereof. |