Compounds of formula (I):wherein:◆ m and n represent 1 or 2,◆ A represents a pyrrolyl group,◆ X represents a C(O), S(O) or SO2group,◆ R1and R2represent an alkyl group or, together with the nitrogen atom carrying them, form a heterocyclic group,◆ R3and R4, together with the atoms carrying them, form a heterocyclic group,◆ R5represents a hydrogen atom or an alkyl group,◆ R6represents a hydrogen atom or a halogen atom.Medicaments.式(I)化合物:其中:◆ m與n表示1或2,◆ A表示吡咯基,◆ X表示C(O)、S(O)或SO2基團,◆ R1與R2表示烷基或和帶有彼等之氮原子一起形成雜環族基團,◆ R3與R4和帶有彼等之原子一起形成雜環族基團,◆ R5表示氫原子或烷基,◆ R6表示氫原子或鹵原子。藥劑。