| abstract |
A pyridine compound represented by general formula (I) or a pharmaceutical acceptable salt thereof, having the antibacterial effect against Helicobacter pylori, antiulcer effect, the effects of protecting gastrointestinal cells and inhibiting the recrudescence and recurrence of ulcer, and so forth, thus being useful as a medicine, wherein R1 represents hydrogen, halogen, alkyl, alkoxy, etc.; R?2 and R3¿ represent each hydrogen, halogen or alkyl; -P=Q- represents -CH=CH-, -N=CH- or -CH=N-; A represents oxygen, sulfur or NR4 (wherein R4 represents hydrogen, alkyl, etc.); n represents 0, 1 or 2; B represents oxygen, S(O)p (wherein p represents 0, 1 or 2) or NR5 (wherein R5 represents hydrogen or alkyl); D represents a single bond, alkylene, etc.; and E represents alkoxyalkyl or -NR6R7. |