Ritonavir EP Impurity H

Chemical Name: Thiazol-5-ylmethyl (4S,5S)-4-benzyl-5-[(2S)-2-[(4S)-4-(1-methylethyl)-2,5-dioxoimidazolidin-1-yl]-3-phenylpropyl]-2-oxooxazolidine-3-carboxylate (as per EP); (4S,5S)-Thiazol-5-ylmethyl 4-benzyl-5-{(S)-2-[(S)-4-isopropyl-2,5-dioxoimidazolidin-1-yl]-3-phenylpropyl}-2-oxooxazolidine-3-carboxylate (as per USP)