##STR1## A compound of formula (I) or, if appropriate, a pharmaceutically acceptable salt thereof, wherein R.sup.1 and R.sup.2 each independently represent an alkyl group or a moiety of formula (a): --(CH.sub.2).sub.m --A, wherein m represents zero or an integer 1, 2 or 3 and A represents a substituted or unsubstituted cyclic hydrocarbon radical; R.sup.3 represents hydrogen, NO.sub.2 or a halogen atom, an alkoxy group or a group of formula NR.sup.s R.sup.t wherein R.sup.s and R.sup.t each independently represent hydrogen or alkyl or R.sup.s and R.sup.t together with the nitrogen to which they are attached form a phthalimido group, the phthalimido group being substituted or unsubstituted in the phenylene moiety or R.sup.3 represents a moiety of formula (b), wherein R.sup.5 represents substituted or unsubstituted alkyl or a substituted or unsubstituted aryl group; and R.sup.6 represents hydrogen or a group SO.sub.2 R.sup.7 wherein R.sup.7 represents substituted or unsubstituted alkyl, a substituted or unsubstituted aryl group; R.sup.4 represents SO.sub.2 R.sup.8, wherein R.sup. 8 represents substituted or unsubstituted alkyl or a substituted or unsubstituted aryl group, or, when R.sup.3 represents a moiety of the above-defined formula (b), then R.sup.4 represents hydrogen or a substituted or unsubstituted alkyl group or a benzyl group substituted or unsubstituted in the phenyl ring a process for preparing such a compound, a composition comprising such a compound and the use of such a compound and composition in medicine.
化合物的
化学式(I)或者在适当情况下,其药学上可接受的盐,其中R.sup.1和R.sup.2分别独立表示烷基基团或者
化学式(a)的基团:--(CH.sub.2).sub.m --A,其中m表示零或整数1、2或3,A表示取代或未取代的
环烃基团;R.sup.3表示氢、NO.sub.2或卤素原子,烷氧基团或者
化学式NR.sup.s R.sup.t的基团,其中R.sup.s和R.sup.t分别独立表示氢或烷基,或者R.sup.s和R.sup.t与它们连接的氮原子一起形成邻苯二甲
酰亚胺基团,邻苯二甲
酰亚胺基团在苯基部分中被取代或未取代,或者R.sup.3表示
化学式(b)的基团,其中R.sup.5表示取代或未取代的烷基或取代或未取代的芳基团;R.sup.6表示氢或基团SO.sub.2 R.sup.7,其中R.sup.7表示取代或未取代的烷基,取代或未取代的芳基团;R.sup.4表示SO.sub.2 R.sup.8,其中R.sup.8表示取代或未取代的烷基或取代或未取代的芳基团,或者当R.sup.3表示上述定义的
化学式(b)的基团时,R.sup.4表示氢或取代或未取代的烷基或在苯环中取代或未取代的苄基团的过程,用于制备该化合物的组合物,包括该化合物的组合物和在药学中使用该化合物和组合物。