@article {11793,
	title = {Ipangulines, the first pyrrolizidine alkaloids from the Convolvulaceae},
	journal = {Phytochemistry},
	volume = {34},
	year = {1993},
	pages = {437-440},
	keywords = {ipangulines, isoipangulines, pyrrolizidine alkaloids},
	author = {Jenett-Siems, K. and Kaloga, M. and Eich, E.}
}
