| 摘要 |
Therapeutic agent for the treatment of peptic ulcer disease comprising as active ingredient at least one compound of formula I <IMAGE> (I) wherein R1=5-oxohexyl, R2=methyl or R3=C2-C4-alkyl or one compound of formula I, wherein R1=4-oxopentyl, R2=methyl or ethyl, and R3=C2-C4 alkyl, is disclosed, together with a process for using the agent.
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