00694naa#a2200193#i#450# EN\\bibl\81487 20241121172923.4 2782-1900 20230923b2023####ek#y0engy0150####ca RU Quantum chemical study of the acidity of 3,4-dihydro-2H-thiopyran-1,1-dioxides Journal article Yaroslavl Yaroslavl State Technical University 2023 4 с. Journal article local Соединения с одним тиопирановым кольцом. 547.818.1 Starostin Mihail Vital'evich Dolbnev Nikita Evgen'evich Ovchinnikov Konstantin L'vovich chemintech.ru