and Zn(II)-FSC = 8.277 × 102 M−1, and the KSV values from the competitive fluorescence emission studies are Co(II)-FSC = 0.19212 and Cu(II)-FSC = 0.11482 M−1. Molecular docking carried out for both ligand and its Co(II) and Zn(II) complexes also revealed groove mode of binding, and Cu(II) complex showed intercalative mode of binding. The inhibition constants for HL, Co(II), Cu(II), and Zn(II) are 1460