TY JOUR TI IDENTIFICATION OF ISOMERIC HETEROLIGAND COMPLEXES IN THE NICKEL(II)/COPPER(II) - SALICYLIC/ISONICOTINIC ACID HYDRAZIDE - L-HISTIDINE - WATER SYSTEMS KW NICKEL(II) KW COPPER(II) KW SALICYLIC ACID HYDRAZIDE KW ISONICOTINIC ACID HYDRAZIDE KW L-HISTIDINE KW HETEROLIGAND COMPLEXES KW STABILITY OF COMPLEXES KW ISOMERIC COMPLEXES JO Herald of Technological University AU Troshanin, N.V. AU , .. PY 2025 IS 28 PB Kazan National Research Technological University