A conjugate represented by general formula (I), wherein R
0
is a C
1-6
alkyl, B is an anesthetic, and A is a linking group, and a quaternary ammonium salt is formed at the linking position between B and R
0
. The conjugate has a prolonged analgesic effect, and can be used in postoperative analgesia or treatment for chronic pain.
由一般公式(I)表示的共轭物,其中R0是C1-6烷基,B是
麻醉剂,A是连接基,且在B和R0之间的连接位置形成季
铵盐。该共轭物具有延长的镇痛效果,可用于术后镇痛或慢性疼痛治疗。