Ningpoensines A–C: unusual zwitterionic alkaloids from Scrophularia ningpoensis

Ningpoensines A–C: unusual zwitterionic alkaloids from Scrophularia ningpoensis Monoterpene pyridine alkaloids and phenolics from Scrophularia ningpoensis and their cardioprotective effect Sinoscrewtine, an alkaloid with novel skeleton from the roots of Sinomenium acutum Tonkinensines A and B, two novel alkaloids from Sophora tonkinensis Tonkinensines A and B, two novel alkaloids from Sophora tonkinensis Unusual N-pyridinium amino acid-type alkaloids from roots and rhizomes of Sophora tonkinensis Gagnep Palcernuine, the first [5/6/6/6]-cernuane-type alkaloid from Palhinhaea cernua f. sikkimensis New napelline-type diterpenoid alkaloids from Aconiti kusnezoffii roots: Structure elucidation, plausible biogenetic pathway and biological activities Scrophularia ningpoensis Hemsl: a review of its phytochemistry, pharmacology, quality control and pharmacokinetics Cyclopeptide alkaloids of Zizyphus oenoplia