Anti-ulcer agent
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United States of America Patent
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Sep 14, 1993
Grant Date -
N/A
app pub date -
May 15, 1992
filing date -
May 15, 1991
priority date (Note) -
Expired
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Abstract
An anti-ulcer agent contains a compound expressed by the following general formula 1: ##STR1## where, R.sub.1 is hydrogen atom or an alkyl group having 1 or 2 carbon atoms with or without substitution, R.sub.2 and R.sub.3 are resp. hydrogen atom or form oxo group together, R.sub.4 is hydrogen atom or methyl group or isoquinoline sulfonyl group, n is 2 or 3, A is N--R.sub.5 or CH--R.sub.5, R.sub.5 is phenyl group with or without substitution or benzyloxycarbonyl group with or without substitution, or a physiologically allowable acid added salt thereof as the active component.
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