00657naa#a2200193#i#450# EN\\bibl\3755 20241221083332.6 2308-8877 20141105b2014####ek#y0engy0150####ca RUS RU SYNTHESIS OF NEW 1,4-DIHYDRO-6H-PYRIMIDO[1,2-A][1,2,5]TRIAZINE-6-ONES BASED ON BIGUANIDES Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Stolpovskaya N. Peregudova A. Shikhaliev Kh. zh-szf.ru