Naphthaquinones and an alkaloid from roots of Newbouldia laevis
Phytochemistry
1994.0
Abstract
Small quantities of the three known naphthaquinones, lapachol, dehydro-alpha-lapachone and 3-hydroxy-dehydroiso-alpha-lapachone, and a novel pyrrolo(1,2b) pyrazole alkaloid, newbouldine, have been isolated from the root bark of Newbouldia laevis.