A kind of tetrahydro isoquinoline derivatives (I), their preparation methods, medicine compositions and medicinal uses thereof, especially their uses as κ-opioid receptor excitant in pain relieving, which belongs to the medicine chemistry. The substituents R
1
, R
2
, R
3
, R
4
of general formula (I) are defined as the description.
一种
四氢异喹啉衍
生物(I),其制备方法,药物组合物及其药用,特别是其作为疼痛缓解中κ-阿片受体兴奋剂的用途,属于药物
化学。 通用式(I)中的取代基R1,R2,R3,R4被定义为描述中所述。