1. Dyes and Pigments
Volume 64, Issue 3, March 2005, Pages 223-230
Synthesis of some new azo pyrazolo[1,5-a]pyrimidine-thieno[2,3-b]pyridine derivatives and their application as disperse dyes
Yuh Wen Ho
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http://dx.doi.org/10.1016/j.dyepig.2004.06.007Volume 83, Issue 2, November 2009, Pages 144-147
The synthesis of 5-amino-4-arylazo-3-methyl-1H-pyrazoles and 5-aryl-3-methylpyrazole[3,4-e][1,2,3,4]tetrazines
Bo Yang, Yuan Lu
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http://dx.doi.org/10.1016/j.dyepig.2008.12.011