TY JOUR TI The role of the entropy factor in the kinetics of complex formation of non-planar porphyrins with localized and delocalized NH bonds KW tetrapyrrole macroheterocyclic com-pounds; porphyrins; complexing reaction; chemical activity of NH bonds; activation entropy JO From Chemistry Towards Technology Step-By-Step AU Berezin, D.B. PY 2022 IS 3 PB Yaroslavl State Technical University