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J. Heterocyclic Chem.1966 3 228-229
Synthesis of 3,6-Bis(dimethylamino)thio- and Selenoxanthene
Richard H. Nealey, John S. Driscoll
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https://www.jhetchem.com/cd2html.php?file=19660228J. Heterocyclic Chem.1997 34 561-565
2-Mono- and 2,5-Bis[bis[(4-dimethylamino)phenyl]hydroxymethyl]Substituted Furans, Thiophenes and N-Methylpyrroles: New Colorformers for Carbonless Imaging
Alan R. Katritzky, Zhongxing Zhang, Hengyuan Lang, Nusrallah Jubran, Louis M. Leichter, Norman Sweeny
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https://www.jhetchem.com/cd2html.php?file=19970561J. Heterocyclic Chem.1992 29 1331-1336
Molecular Associations of Hydrazones of Heterocyclic Systems. XI
Paolo Bruni, Carla Conti, Elisabetta Giorgini, Eziana Maurelli, Giorgio Tosi
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https://www.jhetchem.com/cd2html.php?file=19921331