Lopinavir

Chemical Name: (2S)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanamide (as per EP); (αS)-Tetrahydro-N-[(αS)-α-[(2S,3S)-2-hydroxy-4-phenyl-3-[2-(2,6-xylyloxy)acetamido]butyl]phenethyl]-α-isopropyl-2-oxo-1(2H)-pyrimidineacetamide (as per USP)