Hydroxyl amine Elagolix Impurity

Chemical Name: (R)-4-((2-(5-(2-fluoro-3-methoxyphenyl)-3-(2-fluoro-6-(trifluoromethyl)benzyl)-4-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl)-1-phenylethyl)(hydroxy)amino)butanoic acid

Smile: COC1=CC=CC(C2=C(C)N(CC3=C(C(F)(F)F)C=CC=C3F)C(N(C[C@H](N(O)CCCC(O)=O)C4=CC=CC=C4)C2=O)=O)=C1F