Synonyms : 2-(4-(4'-chlorophenyl)cyclohexyl)-3-hydroxy-1, 4-naphthoquinone, 2-(trans-4-(4-chlorophenyl)cyclohexyl)-3-hydroxy-1, 4-naphthoquinone, 566C, 566C80, 566C80 hydroxynaphthoquinone, Glaxo Wellcome brand of atovaquone, GlaxoSmithKline brand of atovaquone, Mepron