Lopinavir EP Impurity Q

Chemical Name: N-[(1S,2S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-2-hydroxy-5-phenylpentyl]-2-(2,6dimethylphenoxy)acetamide (as per EP); N,N′-[(2S,3S,5S)-3-Hydroxy-1,6-diphenylhexane-2,5-diyl]bis[2-(2,6-dimethylphenoxy)acetamide] (as per USP)

Smile: O=C(N[C@H]([C@@H](O)C[C@@H](NC(COC(C(C)=CC=C1)=C1C)=O)CC2=CC=CC=C2)CC3=CC=CC=C3)COC(C(C)=CC=C4)=C4C