Q and Z are each oxygen, R3 is methyl and R2 is an alkyl. [0063] According to still further features in the described preferred embodiments the reactive inorganic halide is potassium iodide. [0064] According to still further features in the described preferred embodiments the organic halide is the R2 residue terminating with the halide group X and the quaternary pyridinium halide is further substi