Neochamaejasmin B
Neochamaejasmine B, a natural product isolated and purified from the roots of Stellera chamaejasme Linn. with antibacterial activity on Gram-positive bacterium and Gram-negative bacterium, displays nematicidal activity against both Bursaphelenchus xylophilus and Bursaphelenchus mucronatus, and reduces seedling growth and disrupt root development, the IC50 value of 6.9 ug/mL.