Ritonavir EP Impurity L

Chemical Name: (4S,5S)-4-benzyl-5-[(2S)-2-[[(2S)-3-methyl-2-[[methyl[[2(1-methylethyl) thiazol-4-yl]methyl]carbamoyl]amino]butanoyl]amino]-3-phenylpropyl] oxazolidin-2-one (as per EP); (S)-N-[(S)-1-[(4S,5S)-4-Benzyl-2-oxooxazolidin-5-yl]-3-phenylpropan-2-yl]-2-{3-[(2-isopropylthiazol-4-yl)methyl]-3-methylureido}-3-methylbutanamide (as per USP)

Smile: CC(C)[C@H](NC(N(C)CC1=CSC(C(C)C)=N1)=O)C(N[C@H](C[C@H]2[C@H](CC3=CC=CC=C3)NC(O2)=O)CC4=CC=CC=C4)=O