67907-02-2 Urea, formaldehyde, diethylenetriamine, triethylenetetramine, melamine resin Urea, polymer with N-(2-aminoethyl)-1,2-ethanediamine, N,N'-bis(2-aminoethyl)-1,2-ethanediamine, formaldehyde and 1,3,5-triazine-2,4,6-triamine