Naloxegol Impurity 2

Chemical Name: (4R,4aS,7S,7aR,12bS)-7-((2,5,8,11,14,17,20-Heptaoxadocosan-22-yl)oxy)-1,2,3,4,5,6,7,7a-octahydro-4aH-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol, carboxyformate salt

Smile: O=C(C(O)=O)[O-].O[C@@]12CC[C@H](OCCOCCOCCOCCOCCOCCOCCOC)[C@H]3[C@@]14CCN[C@@H]2CC5=C4C(O3)=C(O)C=C5