Relating to an opioid receptor agonist (1S,4S)-4-ethoxy-N-(2-((R)-9-(pyridin-2-yl)-6-oxaspiro[4.5]deca-9-yl)ethyl)-1,2,3,4-tetrahydronaphthalen-1-amine fumarate salt, a fumarate salt I crystal form thereof, and a preparation method and an application therefor.
涉及一种阿片受体激动剂(1S,4S)-4-乙氧基-N-(2-((R)-9-(
吡啶-2-基)-6-氧杂螺[4.5]癸-9-基)乙基)-
1,2,3,4-四氢萘-1-胺
富马酸盐、其
富马酸盐 I 结晶形式及其制备方法和应用。