| 摘要 |
<p>A compound of the formula: <IMAGE> wherein R1 represents a vanilyl, napthyl, pyridyl or alpha -tocopheryl group, or a group of the formula, <IMAGE> wherein R2 represents a hydrogen atom, a lower alkoxy, formyl, lower alkanoyl or phenyl group, or a group of the formula -(CH2)n COOR3, wherein R3 represents a hydrogen atom, a lower alkyl, phenyl, benzyl, anisyl or lower alkoxycarbonylmethyl group, and n represents an integer of 0 to 2, or a pharmaceutically acceptable salt thereof is effective for use as an anti-ulcer agent.</p> |
