00749naa#a2200193#i#450# EN\\bibl\97485 20250520150957.2 2686-9896 20250428b2025####ek#y0engy0150####ca RU QUANTUM CHEMICAL STUDIES OF THE STRUCTURE AND THE PROTOLYTIC PROPERTIES OF SOME HETEROCYCLIC DERIVATIVES Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2025 1 с. Journal article local Физическая химия. 544 Nagiparov Kudaibergen Zhekenovich Beznosyuk Sergey Aleksandrovich Nikolskiy Sergey Nikolaevich angtu.editorum.ru