Kolosov, M. A.; Shvets, O. G.; Orlov, V. D. Synthesis and Reduction of 6-Nitroso-5,7-Dimethyl-4,7 dihydro[1,2,4]triazolo[1,5-a]pyrimidine. Khark. Univ. Bull. Chem. Ser. 2017, 44-47.