El Sayed H. El-Ashry
Highly Influential Citations0
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Publisher Summary This chapter deals with condensed ring systems of 1,2,4-triazines with six and seven-membered heterocycles, and condensed ring systems with triazine in the center. The chapter… Continue Reading
Publisher Summary This chapter reviews the chemistry, biological significance, and uses of 1,2,4-triazolo- and tetrazolo-[x,y-zl pyrimidines. The arrangement of each ring follows the order of the… Continue Reading