TY JOUR TI METHODS FOR OBTAINING CHOLINECHLORIDE KW choline chloride KW choline KW trimethylamine KW ethylene oxide KW ethylene chlorohydrin KW synthesis KW technology JO Modern Technologies and Scientific and Technological Progress AU Fomina, L.V. AU Zachinyaev, M.V. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»