An Unusual Quinolinone Alkaloid from Waltheria douradinha.

An Unusual Quinolinone Alkaloid from Waltheria douradinha. An unusual quinolinone alkaloid from Waltheria douradinha Quinolone alkaloids from Waltheria douradinha Cyclopeptide alkaloids from the bark of Waltheria douradinha Total Synthesis of Waltherione A, a Quinolone Alkaloid Fused with Oxabicyclo[3.2.1]octane 4-Quinolone Alkaloids from <i>Melochia odorata</i> A new cyclopeptide alkaloid from the bark of waltheria douradinha Leishmanicidal and Antimicrobial Activities of 4-Quinolone Alkaloids from Stems of the Medicinal Plant Waltheria indica (Malvaceae) and their Chemotaxonomic Significance Antifungal Quinoline Alkaloids from <i>Waltheria indica</i> Antitrypanosomal Quinoline Alkaloids from the Roots of <i>Waltheria indica</i>