TY JOUR TI Designing the structure of new antibacterial drugs based on cephalothin KW penicillin KW cephalothin KW cephalothin sodium salt KW beta-lactamase activity JO From Chemistry Towards Technology Step-By-Step AU Podolsky, D.D. AU Timofeev, D.A. AU Atapina, N.V. AU Budaeva, Y.N. AU Sidorenko, P.V. PY 2025 IS 6 PB Yaroslavl State Technical University