TY JOUR TI Selektivnaya modifikaciya tetragidrohromeno[2,3-d]pirimidin-2-onov KW JO From Chemistry Towards Technology Step-By-Step AU Makarova, E.S. AU Chirkova, Z.V. AU Uryadova, A.M. AU Karandeeva, A.S. AU Bogdanova, N.A. PY 2024 IS 5 PB Yaroslavl State Technical University