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PloS one, ISSN 1932-6203, 2019, Volume 14, Issue 3, p. e0213808
Journal Article
2009, 1. Aufl., ISBN 3527320369, xvi, 409
... of heterocycles containing only one nitrogen and that of those with more than one nitrogen as a heteroatom... 
Asymmetric synthesis | Heterocyclic compounds | Synthesis | Chemistry
Book
Soil Science and Plant Nutrition, ISSN 0038-0768, 04/2010, Volume 56, Issue 2, pp. 297 - 306
Journal Article