Stemona-amines C–E, new alkaloids from Stemona tuberosa

Stemona-amines C–E, new alkaloids from Stemona tuberosa Stemona-amines F and G, new alkaloids from Stemona tuberosa Structures of stemona-amine B and stemona-lactams M–R Chemical Studies on New Stemona Alkaloids, IV. Studies on New Alkaloids from Stemona tuberosa Absolute Structures of Stemona-Lactam S and Tuberostemospiroline, Alkaloids from &lt;i&gt;Stemona tuberosa&lt;/i&gt; Two minor alkaloids from roots of Stemona tuberosa Chemical Studies on New Stemona Alkaloids, IV. Studies on New Alkaloids from Stemona tuberosa Alkaloids from the Roots of Stemona tuberosa Alkaloids from the Roots of <i>Stemona tuberosa</i> Isolation and chemotaxonomic significance of stenine- and stemoninine-type alkaloids from the roots of Stemona tuberosa