Abstract
Helitropium europaeum L. population Garmsar was shown to contain three major
alkaloids: heliotrine N-oxide (2), lasiocarpine (4) and lasiocarpine N-oxide (5); and
four minor alkaloids: heliotrine (I), europine (3), acetyllasiocarpine (6) and a novel
alkaloid acetyllasiocarpine N-oxide (7).
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