A compound of formula (I) :
or a salt or solvate thereof in which R. CO is an acyl group containing a substituted or unsubstituted carbocyclic or heterocyclic aromatic ring, R1 and R2 are independently C1-6 alkyl or together form a C3-6 polymethylene or alkylene group, and p is 1, 2, 3 or 4, is useful for treating pain.
式(I)化合物:
或其盐或溶液,其中 R. CO 是含有取代或未取代
碳环或杂环芳香环的酰基,R1 和 R2 独立地为 C1-6 烷基或共同形成 C3-6 聚亚
甲基或亚烷基,p 为 1、2、3 或 4,可用于治疗疼痛。