1-(o-Chlorophenyl)biguanide monohydrochloride 19579-44-3 BIGUANIDE, 1-(o-CHLOROPHENYL)-, MONOHYDROCHLORIDE Imidodicarbonimidic diamide, N-(2-chlorophenyl)-, monohydrochloride (9CI) N-(2-Chlorophenyl)-imidodicarbonimidic diamide monohydrochloride N-(o-Chlorophenyl)biguanide hydrochloride NSC 44456