1. Semi‐automated Separation of the Epimeric Dehydropyrrolizidine Alkaloids Lycopsamine and Intermedine: Preparation of their N‐oxides and NMR Comparison with Diastereoisomeric Rinderine and Echinatine. Issue 5 (9th May 2014) Authors: Colegate, Steven M.; Gardner, Dale R.; Betz, Joseph M.; Panter, Kip E. Journal: Phytochemical analysis Issue: Volume 25:Issue 5(2014:Sep.) Page Start: 429 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗