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Structures of raltegravir and elvitegravir. A) Raltegravir. B) Elvitegravir. The β-hydroxy ketone and halobenzyl moieties are indicated. The atoms are indicated and/or represented by different colored spheres: C, gray; O, red; N, blue; Cl, green; F, brown. Hydrogen atoms are not shown. The chemical structures were created using MarvinSketch software (ChemAxon, Budapest, Hungary).
