70983-56-1 Guanidine, cyano-, polymer with N-(2-aminoethyl)-1,2-ethanediamine, hydrochloride, cupric chloride complexes Guanidine, cyano-, polymer with N-(2-aminoethyl)-1,2-ethanediamine,hydrochloride, complex with cupric chloride Guanidine, cyano-, polymer with N-(2-aminoethyl)-1,2-ethanediamine,hydrochloride, cupric chloride complexes