有结合力的

Ropinirole,a dopamine agonist,has similar effect of dopamine but without ergoline structure by which its stronger binding power with dopamine D2 receptor may be explained.

一种类似多巴胺多巴胺激动剂，与第一代多巴胺激动剂不同有麦角结构。非麦角结构可以说明其与多巴胺D2受体有较高结合力。