An anthrone, an anthraquinone and two oxanthrones from Kniphofia foliosa

An anthrone, an anthraquinone and two oxanthrones from Kniphofia foliosa Knipholone cyclooxanthrone and an anthraquinone dimer with antiplasmodial activities from the roots of Kniphofia foliosa Biological activity and stability analyses of knipholone anthrone, a phenyl anthraquinone derivative isolated from Kniphofia foliosa Hochst. Anthraquinones as taxonomic markers in ethiopian Kniphofia species Isolation of antiplasmodial anthraquinones from Kniphofia ensifolia, and synthesis and structure–activity relationships of related compounds Antimalarial compounds from <i>Kniphofia foliosa</i> roots Anthraquinones, pre-anthraquinones and isoeleutherol in the roots of Aloe species A comparative study of anthraquinones in rhizomes of Kniphofia species A xanthone and a phenylanthraquinone from the roots of Bulbine frutescens, and the revision of six seco-anthraquinones into xanthones Two New Naphthoquinones from the Roots of Conospermum sphacelatum