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1. Barni E., Savarino P., Viscardi G., Pelizzetti E. (Methylpyridyl)benzimidazoles. Part I. Mono-, bis-quaternary salts and related polymethine dyes. J. Heterocycl. Chem. 1983, V. 20, № 1, P. 23-28
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https://www.jhetchem.com/cd2html.php?file=19830023
2. Sarkis G.Y., Faisal E.D. Synthesis and spectral characterization of some new N-substituted 2-aminobenzothiazoles, 2-aminothiazolopyridines and 2-aminothiazoloquinolines. J. Heterocycl. Chem. 1985, V. 22, № 3, P. 725-728
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https://www.jhetchem.com/cd2html.php?file=19850725
3. Hirota T., Fujita H., Sasaki K., Namba T. A novel synthesis of benzofuran and related compounds. III. The Vilsmeier reaction of phenoxyacetaldehyde diethyl acetals. J. Heterocycl. Chem. 1986, V. 23, № 6, P. 1715-1716
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https://www.jhetchem.com/cd2html.php?file=19861715
4. Katritzky A.R., Rachwal S., Smith T.P., Steel P.J. Synthesis and reactivity of 2,6-diamino-4-methyl-3-pyridinecarbonitrile J. Heterocycl. Chem. 1995, V. 32, № 3, P. 979-984.
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https://www.jhetchem.com/cd2html.php?file=19950979
5. Katritzky A.R., Rachwal S., Smith T.P. Regioselective conversion of 3-cyano-6-hydroxy-2-pyridones into 3-cyano-6-amino-2-pyridones J. Heterocycl. Chem. 1995, V. 32, № 3, P. 1007-1010
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https://www.jhetchem.com/cd2html.php?file=19951007
6. Padmanabhan S., Peri R., Rutledge A., Triggle D.J. Synthesis and binding properties of 2H-1-benzopyran-2-one fluorophore- linked calcium channel antagonist nitedipine (1,4-dihydropyridine) analogs. J. Heterocycl. Chem. 1997, V. 34, № 1, P. 301-304
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https://www.jhetchem.com/cd2html.php?file=19970301
7. Quiroga J., Hormaza A., Insuasty B., Nogueras M., Sanchez A., Hanold N., Meier H. Synthesis of pyrido(2,3-d)pyrimidinones by the reaction of aminopyrimidin-4-ones with benzylidene Meldrum's acid derivatives. J. Heterocycl. Chem. 1997, V. 34, № 2, P. 521-524.
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https://www.jhetchem.com/cd2html.php?file=19970521
8. Hamdi M., Cottet S., Tedeschi Ch., Speciale V. Reaction of 1,2-diamines with 4-hydroxycoumarin. Synthesis of 1,4-diazepin-5-ones. J. Heterocycl. Chem. 1997, V. 34, № 6, P. 1821-1824
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https://www.jhetchem.com/cd2html.php?file=19971821
9. Strah S., Golobic A., Golic L., Stanovnik B. Alkyl (E,Z)-2-(2-benzoyl-2-ethoxycarbonyl-1-ethenyl)amino-3-dimethylaminopropenoates in the synthesis of fused pyrimidinones - a facile route to 3-aminoazino-4H-pyrimidin-4-one. J. Heterocycl. Chem. 1997, V. 34, № 5, P. 1511-1517
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https://www.jhetchem.com/cd2html.php?file=19971511
10. Nicolaides D.N., Filaktakidou K.C., Litinas K.E., Adamopoulos S.G. The synthesis of some pyrano[2,3-g]chromene-2,7-diones and furo[2,3-g]chromen-6-ones. J. Heterocycl. Chem. 1998, V. 35, № 1-2, P. 91-96
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https://www.jhetchem.com/cd2html.php?file=19980091
11. Nicolaides D.N., Filaktakidou K.C., Litinas K.E., Papageorgiou G.P., Hadjipavlou-Litina D.J. 1,3-Cycloaddition reactions of 2-oxo-2H-[1]benzopyran-4-carbonitrile N-oxide. Synthesis of several new 4-substituted coumarins. J. Heterocycl. Chem. 1998, V. 35, № 5-6, P. 619-625
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https://www.jhetchem.com/cd2html.php?file=19980619
12. Rodighiero P., Pastorini G., Chilin A., Marotto A. Synthesis of methyl derivatives of linear and angular thienocoumarins and thiopyranocoumarins. J. Heterocycl. Chem. 1998, V. 35, № 4, P. 847-852
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https://www.jhetchem.com/cd2html.php?file=19980847
13. Toche R.B., Jachak M.N., Sabnis R.W., Kappe T. Synthesis of novel pyrano fused quinolones, coumarins, and pyridones. J. Heterocycl. Chem. 1999, V. 36, № 2, P. 467-471
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https://www.jhetchem.com/cd2html.php?file=19990467
14. Quiroga J., Alvarado M., Insuasty B., Moreno R., Ravina E., Estevez I., De Almeida S. Synthesis of 5-cyanopyrazolo[3,4-b]pyridines in the reaction of 5-amino-3-methyl-1-phenylpyrazole with arylidene derivatives of malonodinitrile and ethyl cyanoacetate. J. Heterocycl. Chem. 1999, V. 36, № 5, P. 1311-1316
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https://www.jhetchem.com/cd2html.php?file=19991311
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