Synthesis of Pyrimidine, Thiazolopyrimidine, Pyrimidotriazine and Triazolopyrimidine Derivatives and their Biological Evaluation
Fawzy A. Attaby, and Sanaa M. Eldin
Zeitschrift fuer Naturforschung, B: Chemical Sciences; vol. 54; nb. 6; (1999); p. 788 - 798
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http://www.znaturforsch.com/ab/v54b/c54b.htm#No6