Newbouldiaquinone A: A naphthoquinone-anthraquinone ether coupled pigment, as a potential antimicrobial and antimalarial agent from Newbouldia laevis

A naphthoquinone-anthraquinone ether-coupled pigment, Newbouldiaquinone A, a potential antimicrobial and antimalarial agent, was isolated from Newbouldia laevis together with 14 known compounds.