A Novel Insect Antifeedant Nonprotein Amino Acid from Calotropis gigantea

A Novel Insect Antifeedant Nonprotein Amino Acid from <i>Calotropis gigantea</i> A Novel Insect Antifeedant Nonprotein Amino Acid from <i>Calotropis gigantea</i> A new β -carboline-type alkaloid from the flowers of Calotropis gigantea (L.) W.T.Aiton Calosides A–F, Cardenolides from <i>Calotropis gigantea</i> and Their Cytotoxic Activity Pyrrolizidine Alkaloids from <i>Heliotropium megalanthum</i> Pyrrolizidine Alkaloids from <i>Heliotropium megalanthum</i> Insect antifeeding agents: Sesquiterpene alkaloids from Celastrus angulatus Insect Antifeedants from <i>Munronia henryi</i>:  Structure of Munroniamide Phytochemical and cytotoxic studies on the leaves of Calotropis gigantea Gigantetronenin and Gigantrionenin: Novel Cytotoxic Acetogenins from Goniothalamus giganteus