Recueil des Travaux Chimiques des Pays-Bas
Volume 97, Issue 10, pages 273–276, 1978
1H- and 13C-NMR studies of σ-adducts of 1,2,4-triazine and some of its derivatives with amide ions and/or liquid ammonia†
A. Rykowski1, H. C. van der Plas2, A. van Veldhuizen2
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http://dx.doi.org/10.1002/recl.19780971009