Herculin, a pungent insecticidal constituent of Southern prickly ash bark.

@article{Jacobson1948HerculinAP,
  title={Herculin, a pungent insecticidal constituent of Southern prickly ash bark.},
  author={Marcus Jacobson},
  journal={Journal of the American Chemical Society},
  year={1948},
  volume={70 12},
  pages={4234-7}
}