发明授权
US6043243A Pyrrolidine derivative, anti-ulcer drug, and antibacterial drug 失效
吡咯烷衍生物,抗溃疡药和抗菌药

Pyrrolidine derivative, anti-ulcer drug, and antibacterial drug
摘要:
A pyrrolidine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein R.sub.1 is an alkenyl group; R.sub.2 is a lower alkoxy group or a halogen atom;R.sub.3 is a lower alkyl group;X is a group expressed by --O-- or --S--;Y is carbon or nitrogen atom;m is an integer of 1 to 3; andn is an integer of 0 to 2.The pyrrolidine derivative has an anti-ulcer effect or an antibacterial activity against Helicobacter pyroli, and has also high safety to be available for prevention or cure of ulcers.
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