The invention relates to a method of treatment of ulcers or hypersecretion in a mammal which comprises administering a compound of formula ##STR1## or a pharmaceutically acceptable salt thereof wherein --B--B.sup.1 -- represents a chain of formula --(CHR.sup.5).sub.n --CHR.sup.6 -- (Ia) R represents an optionally substituted aryl or heteroaryl radical, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent hydrogen, or a defined substituent or any adjacent pair of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 together with the carbon atoms to which they are attached complete a five or six membered saturated or unsaturated carbocyclic or heterocyclic ring, said ring being optionally substituted by a defined substituent and said heterocyclic ring having at least one heteroatom selected from oxygen, nitrogen and sulphur; R.sup.5 and R.sup.6 independently represent hydrogen or lower alkyl; n and m independently represent 0 or 1, the term "heteroaryl" means a monovalent aromatic heterocyclic group in which the ring heteroatom or atoms is/are selected from oxygen, nitrogen and sulphur. Novel Compositions and compounds of formula I are also disclosed.
                            本发明涉及一种治疗哺乳动物溃疡或高分泌的方法,其中包括给予式子##STR1##的化合物或其药学上可接受的盐,其中--B--B.sup.1--表示式--(CHR.sup.5).sub.n--CHR.sup.6--(Ia)的链,R代表可选取代的芳基或杂环芳基基团,R.sup.1,R.sup.2,R.sup.3和R.sup.4独立地代表氢,或者一个定义的取代基,或者任何相邻的R.sup.1,R.sup.2,R.sup.3和R.sup.4成对的碳原子与它们连接的碳原子一起形成一个五元或六元饱和或不饱和的碳环或杂环,所述环可由一个定义的取代基取代,所述杂环至少有一个从氧、氮和
硫中选出的杂原子;R.sup.5和R.sup.6独立地代表氢或较低的烷基;n和m独立地代表0或1,术语“杂环芳基”表示一种一价的芳香杂环基团,其中环杂原子是从氧、氮和
硫中选出的。本发明还公开了新的组合物和式I的化合物。