1. A. B. Bořkovec and P. H. Terry, U. S. Patent 3,189,521 (1965).
2. Several erroneous entries of the triazinyl ketones appear in Chem. Abstr. Errors involved structure interpretation of the commonly used terms aceto- and benzoguanamine which are synonymous for 2,4-diamino-6-methyl and 6-phenyl-s-triazine, respectively.
3. J. T. Thurston, U. S. Patent 2,394,526 (1946).
4. Chem. Abstr., 40, 5776 (1946).