Text this: Synthesis and characterisation of thermally stable Ka[Cu2(p-OC6H4COO)a(CH3(CH2)nCOO)4—a] and [Cu2(p-H3NC6H4COO)a(CH3(CH2)nCOO)4-a]Xa and their reactions with selected ketones / Zaimatul' Azian Kamarazaman