TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Compounds: The ammonium salt is anhydrous ammonium sulfate, anhydrous ammonium nitrate, anhydrous ammonium chloride, anhydrous ammonium bromide, anhydrous ammonium acetate, anhydrous ammonium formate, crystalline ammonium sulfate, crystalline ammonium nitrate, crystalline ammonium chloride, crystalline ammonium bromide, crystalline ammonium acetate, crystalline ammonium formate, trimethylamine sulfate, trimethylamine nitrate, trimethylammonium chloride, trimethylamine hydrobromide, trimethylamine acetate, trimethylamine formate, dimethylamine sulfate, dimethylamine nitrate, dimethylammonium hydrochloride, dimethylamine hydrobromide, dimethylamine acetate, dimethylamine formate, methylamine sulfate, methylamine nitrate, methylammonium hydrochloride, methylamine hydrobromide, methylamine acetate, methylamine formate, triethylamine sulfate, triethylamine nitrate, triethylamine hydrochloride, triethylamine hydrobromide, triethylamine acetate, triethylamine formate, diethylamine sulfate, diethylamine nitrate, diethylamine hydrochloride, diethylamine hydrobromide, diethylamine acetate, diethylamine formate, ethylamine sulfate, ethylamine nitrate, ethylamine hydrochloride, ethylamine hydrobromide, ethylamine acetate, ethylamine formate, triethanolamine sulfate, triethanolamine nitrate, triethanolamine hydrochloride, triethanolamine hydrobromide, triethanolamine acetate, triethanolamine formate, diethanolamine sulfate, diethanolamine nitrate, diethanolamine hydrochloride, diethanolamine hydrobromide, diethanolamine acetate, diethanolamine formate, monoethanolamine sulfate, monoethanolamine nitrate, monoethanolamine hydrochloride, monoethanolamine hydrobromide, monoethanolamine acetate, and/or monoethanolamine formate. The cadmium salt is anhydrous cadmium sulfate, anhydrous cadmium nitrate, anhydrous cadmium chloride, anhydrous cadmium bromide, anhydrous cadmium formate, anhydrous cadmium acetate, anhydrous cadmium tartrate, anhydrous cadmium citrate, crystalline cadmium sulfate, crystalline cadmium nitrate, crystalline cadmium chloride, crystalline cadmium bromide, crystalline cadmium formate, crystalline cadmium acetate, crystalline cadmium tartrate, and/or crystalline cadmium citrate. The cobalt salt is anhydrous cobalt sulfate, anhydrous cobalt nitrate, anhydrous cobalt chloride, anhydrous cobalt bromide, anhydrous cobalt formate, anhydrous cobalt acetate, anhydrous cobalt tartrate, anhydrous cobalt citrate, crystalline cobalt sulfate, crystalline cobalt nitrate, crystalline cobalt chloride, crystalline cobalt bromide, crystalline cobalt formate, crystalline cobalt acetate, crystalline cobalt tartrate, and/or crystalline cobalt citrate.