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.

尼是一种类似多巴胺的多巴胺激动剂，与第一代多巴胺激动剂不同的是有角结。尼的非角结可以说明其与多巴胺D2受体有较高的结合力。