Glycine, N,N'-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)imino[6-[(4-sulfophenyl)amino]-1,3,5-triazine-4,2-diyl]]]bis[N-(carboxymethyl)-, sodium salt (1:4), compd. with 2-(chloromethyl)oxirane polymer with D-glucitol, N-methylmethanamine and 1,2,3-propanetriol formate (salt)