Antifungal and antibacterial naphthoquinones from Newbouldia laevis roots

From a dichloromethane extract of Newbouldia laevis roots, four new (6-hydroxydehydroiso-α-lapachone, 7-hydroxydehydroiso-α-lapachone, 5,7-dihydroxydehydroiso-α-lapachone and 3-hydroxy-5-methoxydehydroiso-α-lapachone) and six known naphthoquinones have been isolated. Their structures were establishe...

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