Synonyms: Polyphosphoric acids, Me esters, ammonium salts, reaction products with N-cyanoguanidine and formaldehyde;Polyphosphoric acids, methyl esters, ammonium salts, cyanoguanidine, formaldehyde reaction product;Polyphosphoric acids, Me esters, ammonium salts, reaction productswith cyanoguanidine and formaldehyde