(E)-(4-Methoxyphenyl)-N-(4H-1,2,4-triazol-4-yl) methanimine: Solvent driven single molecule triple fluorescent “on” sensor for Cu2+, Cd2+ and Hg2+. IJCT. 2023;29(2):213-217. doi:10.56042/ijct.v29i2.50245