1-(m-Chlorophenyl)biguanide hydrochloride 2113-05-5 Biguanide, 1-(m-chlorophenyl)-, monohydrochloride Imidodicarbonimidic diamide, N-(3-chlorophenyl)-, monohydrochloride N-(3-Chlorophenyl)-imidodicarbonimidic diamide monohydrochloride N-m-Chlorophenylbiguanide hydrochloride NSC210906