Pan, J., Bhardwaj, M., Nagabhyru, P., Charlton, N. D., Higashi, R. M., Miller, A. F., et al. (2014). Ether bridge formation in loline alkaloid biosynthesis. Phytochemistry, 98, 60-8. https://doi.org/10.1016/j.phytochem.2013.11.015