present good insecticidal activityagainst Plutella xylostella L. Their median lethal concentrations (LC50) are 164.15 and 89.69 mg·L−1, respectively. Compound V‐11 also has potential wide spectrum of fungicide activity. Its median effective concentrations (EC50) detected from 3.82 µg·mL−1 against Physalospora piricola to 31.60 µg·mL−1 against Cercospora arachidicola. Compounds V‐15 and V‐24 show outstanding