Norditerpenoid alkaloids from Delphinium nordhagenii.

@article{Shaheen2006NorditerpenoidAF,
  title={Norditerpenoid alkaloids from Delphinium nordhagenii.},
  author={Farzana Shaheen and Muhammad Zeeshan and Manzoor Gatoo Ahmad and Shazia Anjum and Shamshir Ali and Hoong-Kun Fun and Muhammad Iqbal Choudhary and Atta-ur-rahman},
  journal={Journal of natural products},
  year={2006},
  volume={69 5},
  pages={
          823-5
        }
}
Three new norditerpenoid alkaloids, nordhagenine A (1), nordhagenine B (2), and nordhagenine C (3), along with a known alkaloid, lycoctonine, were isolated from the aerial parts of Delphinium nordhagenii. The structures of the new compounds 1 and 2 were also deduced on the basis of single-crystal X-ray diffraction studies. 
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