Compounds of the formula: ##STR1## wherein R.sub.1 represents fluorine atom at the para position, chlorine atom at the para position, methyl group at the para position or trifluoromethyl group at the para or meta position; and R.sub.2 represents hydrogen atom, methyl group, ethyl group, 2-hydroxyethyl group or 3-hydroxypropyl group, provided that R.sub.2 represents ethyl group, 2-hydroxyethyl group or 3-hydroxypropyl group when R.sub.1 represents fluorine atom at the para position, methyl group at the para position or trifluoromethyl group at the para position, and a pharmaceutically acceptable salt therof, process for the preparation thereof, and pharmaceutical composition containing the same. The compounds and pharmaceutically acceptable salts thereof show excellent cytoprotective effect and useful for prophylaxis and treatment of peptic ulcer and inflammatory gastrointestinal diseases.
该公式化合物为:##STR1## 其中 R.sub.1 代表对位的
氟原子、对位的
氯原子、对位的甲基基团或对位或间位的三
氟甲基基团;R.sub.2 代表氢原子、甲基基团、乙基基团、2-羟乙基基团或3-羟丙基基团,但当 R.sub.1 代表对位的
氟原子、对位的甲基基团或对位的三
氟甲基基团时,R.sub.2 代表乙基基团、2-羟乙基基团或3-羟丙基团,其药学上可接受的盐,其制备方法,以及含有该化合物的药物组合物。该化合物及其药学上可接受的盐表现出优异的细胞保护作用,对预防和治疗消化性溃疡和炎症性胃肠疾病有用。