Lopinavir EP Impurity O

Chemical Name: (1S,3S)-1-[(1S)-1-[[2-(2,6-Dimethylphenoxy)acetyl]amino]-2-phenylethyl]-3-[[(2S)-3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanoyl]amino]-4phenylbutyl(2S)-3-methyl-2-[2-oxotetrahydropyrimidin1(2H)-yl]butanoate (as per EP); (S)-{(2S,3S,5S)-2-[2-(2,6-Dimethylphenoxy)acetamido]-5-[(S)-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamido]-1,6-diphenylhexan-3-yl} 3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanoate (as per USP)

Smile: O=C1NCCCN1[C@@H](C(C)C)C(N[C@@H](CC2=CC=CC=C2)C[C@H](OC([C@H](N3CCCNC3=O)C(C)C)=O)[C@H](CC4=CC=CC=C4)NC(COC5=C(C)C=CC=C5C)=O)=O