A compound of the formula: ##STR1## wherein R.sup.1 represents hydrogen or an optionally substituted hydrocarbon group; R.sup.2 represents an optionally substituted hydrocarbon group, an optionally substituted amino group or a substituted hydroxyl group; X represents an optionally halogenated lower alkylene group; Y represents a substituent; n represents an integer of 0 to 6; and m represents 0 or 1; or a salt thereof, a process for producing it, an intermediate for the production, and a pharmaceutical composition containing it are provided.
提供一种化合物,其
化学式为:##STR1##其中R.sup.1代表氢或可选择取代的碳氢基团;R.sup.2代表可选择取代的碳氢基团、可选择取代的
氨基团或取代的羟基团;X代表可选择卤代的较低碳烷基基团;Y代表一个取代基;n代表0到6的整数;m代表0或1;或其盐,提供了制备它的过程、制备的中间体以及含有它的药物组合物。