TY JOUR TI Synthesis of pyridine- and piperidine-containing polycyclic compounds based on 2,6-dinitrohalogenbenzenes KW 4-chloro-3-nitrobenzoic acid KW N-(2,6-dinitroaryl)pyridinium salts KW N-(2,6-dinitroaryl)piperidines KW nitration KW pyridine quaternisation JO From Chemistry Towards Technology Step-By-Step AU Mokhova, L.A. AU Sokolov, A.A. PY 2022 IS 3 PB Yaroslavl State Technical University