Stemospironine, a New Insecticidal Alkaloid ofStemona japonicaMiq. Isolation, Structural Determination and Activity

Stemospironine, a New Insecticidal Alkaloid ofStemona japonicaMiq. Isolation, Structural Determination and Activity Stemospironine, a new insecticidal alkaloid of Stemona japonica Miq. isolation, structural determination and activity. Alkaloids from Stems and Leaves of<i>Stemona japonica</i>and Their Insecticidal Activities Alkaloids from Stems and Leaves of<i>Stemona japonica</i>and Their Insecticidal Activities The crystal structure of a new alkaloid, stemofoline, from Stemona japonica Occurrence of the insecticidal 16,17-didehydro-16(E)-stemofoline in Stemona collinsae Absolute Structures of Stemona-Lactam S and Tuberostemospiroline, Alkaloids from &lt;i&gt;Stemona tuberosa&lt;/i&gt; Alkaloids from the Roots of <i>Stemona aphylla</i> Alkaloids from the Roots of <i>Stemona aphylla</i> Alkaloids of Stemona japonica