Polygonapholine, an alkaloid with a novel skeleton, isolated from Polygonatum alte-lobatum

Polygonapholine, an alkaloid with a novel skeleton, isolated from Polygonatum alte-lobatum Two new alkaloids from the rhizome of Polygonatum sibiricum Polygonapholine: A Total Synthesis Questions the Identity for the Purported Structure of the Natural Product Four new alkaloids fromPolyalthia nemoralis(Annonaceae) Angustifoline A, A New Alkaloid from Epilobium angustifolium Nupharopumiline, a new quinolizine alkaloid from Nuphar pumila Cytotoxic Steroidal Saponins from <i>Polygonatum </i><i>z</i><i>anlanscianense</i> A diterpenoid alkaloid from Aconitum vilmorinianum var. patentipilum The Isolation and Structure of “ Papilicine” — a New Alkaloid from Buxus papilosa A Novel Pyrrolizidine Alkaloid from Ligularia lankongensis