TY JOUR TI Quantum chemical study of the acidity of 3,4-dihydro-2H-thiopyran-1,1-dioxides KW JO From Chemistry Towards Technology Step-By-Step AU Starostin, M.V. AU Dolbnev, N.E. AU Ovchinnikov, K.L. PY 2023 IS 4 PB Yaroslavl State Technical University